Home / 7,525,685.76-10,385,438.28-4,087,929.36

Finding the Fourth Proportional to 7,525,685.76, 10,385,438.28 and 4,087,929.36

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Solution

The fourth proportional to 7,525,685.76, 10,385,438.28 and 4,087,929.36 is: 5,641,338.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,525,685.76 : 10,385,438.28 = 4,087,929.36 : x
  2. Step 2: Convert to fraction form
    7,525,685.76/10,385,438.28 = 4,087,929.36/x
  3. Step 3: Cross multiply
    7,525,685.76x = 10,385,438.28 × 4,087,929.36
  4. Step 4: Simplify right side
    7,525,685.76x = 42,454,938,061,279.90
  5. Step 5: Solve for x
    x = 42,454,938,061,279.90/7,525,685.76
  6. Step 6: Final answer
    x = 5,641,338.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.