Home / 7,260,011.40-10,890,017.10-3,480,875.40

Finding the Fourth Proportional to 7,260,011.40, 10,890,017.10 and 3,480,875.40

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Solution

The fourth proportional to 7,260,011.40, 10,890,017.10 and 3,480,875.40 is: 5,221,313.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260,011.40 : 10,890,017.10 = 3,480,875.40 : x
  2. Step 2: Convert to fraction form
    7,260,011.40/10,890,017.10 = 3,480,875.40/x
  3. Step 3: Cross multiply
    7,260,011.40x = 10,890,017.10 × 3,480,875.40
  4. Step 4: Simplify right side
    7,260,011.40x = 37,906,792,628,969.34
  5. Step 5: Solve for x
    x = 37,906,792,628,969.34/7,260,011.40
  6. Step 6: Final answer
    x = 5,221,313.10

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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.