Home / 28,687,931.19-39,588,332.24-15,634,931.04

Finding the Fourth Proportional to 28,687,931.19, 39,588,332.24 and 15,634,931.04

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Solution

The fourth proportional to 28,687,931.19, 39,588,332.24 and 15,634,931.04 is: 21,575,652.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,687,931.19 : 39,588,332.24 = 15,634,931.04 : x
  2. Step 2: Convert to fraction form
    28,687,931.19/39,588,332.24 = 15,634,931.04/x
  3. Step 3: Cross multiply
    28,687,931.19x = 39,588,332.24 × 15,634,931.04
  4. Step 4: Simplify right side
    28,687,931.19x = 618,960,844,600,096
  5. Step 5: Solve for x
    x = 618,960,844,600,096/28,687,931.19
  6. Step 6: Final answer
    x = 21,575,652.86

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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.