Home / 7,209,145.80-10,813,718.70-6,957,203.40

Finding the Fourth Proportional to 7,209,145.80, 10,813,718.70 and 6,957,203.40

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Solution

The fourth proportional to 7,209,145.80, 10,813,718.70 and 6,957,203.40 is: 10,435,805.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209,145.80 : 10,813,718.70 = 6,957,203.40 : x
  2. Step 2: Convert to fraction form
    7,209,145.80/10,813,718.70 = 6,957,203.40/x
  3. Step 3: Cross multiply
    7,209,145.80x = 10,813,718.70 × 6,957,203.40
  4. Step 4: Simplify right side
    7,209,145.80x = 75,233,240,506,283.58
  5. Step 5: Solve for x
    x = 75,233,240,506,283.58/7,209,145.80
  6. Step 6: Final answer
    x = 10,435,805.10

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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.