Home / 15,036,330.36-20,750,156.10-8,160,812.52

Finding the Fourth Proportional to 15,036,330.36, 20,750,156.10 and 8,160,812.52

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Solution

The fourth proportional to 15,036,330.36, 20,750,156.10 and 8,160,812.52 is: 11,261,932.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,036,330.36 : 20,750,156.10 = 8,160,812.52 : x
  2. Step 2: Convert to fraction form
    15,036,330.36/20,750,156.10 = 8,160,812.52/x
  3. Step 3: Cross multiply
    15,036,330.36x = 20,750,156.10 × 8,160,812.52
  4. Step 4: Simplify right side
    15,036,330.36x = 169,338,133,692,834.38
  5. Step 5: Solve for x
    x = 169,338,133,692,834.38/15,036,330.36
  6. Step 6: Final answer
    x = 11,261,932.24

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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.