Home / 28,243,931.70-42,365,897.55-13,895,024.70

Finding the Fourth Proportional to 28,243,931.70, 42,365,897.55 and 13,895,024.70

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Solution

The fourth proportional to 28,243,931.70, 42,365,897.55 and 13,895,024.70 is: 20,842,537.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,243,931.70 : 42,365,897.55 = 13,895,024.70 : x
  2. Step 2: Convert to fraction form
    28,243,931.70/42,365,897.55 = 13,895,024.70/x
  3. Step 3: Cross multiply
    28,243,931.70x = 42,365,897.55 × 13,895,024.70
  4. Step 4: Simplify right side
    28,243,931.70x = 588,675,192,894,919.38
  5. Step 5: Solve for x
    x = 588,675,192,894,919.38/28,243,931.70
  6. Step 6: Final answer
    x = 20,842,537.05

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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.