Home / 7,290,025.40-10,935,038.10-7,164,054.20

Finding the Fourth Proportional to 7,290,025.40, 10,935,038.10 and 7,164,054.20

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Solution

The fourth proportional to 7,290,025.40, 10,935,038.10 and 7,164,054.20 is: 10,746,081.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290,025.40 : 10,935,038.10 = 7,164,054.20 : x
  2. Step 2: Convert to fraction form
    7,290,025.40/10,935,038.10 = 7,164,054.20/x
  3. Step 3: Cross multiply
    7,290,025.40x = 10,935,038.10 × 7,164,054.20
  4. Step 4: Simplify right side
    7,290,025.40x = 78,339,205,627,465.02
  5. Step 5: Solve for x
    x = 78,339,205,627,465.02/7,290,025.40
  6. Step 6: Final answer
    x = 10,746,081.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.