Home / 15,328,002.99-21,153,154.78-8,359,060.78

Finding the Fourth Proportional to 15,328,002.99, 21,153,154.78 and 8,359,060.78

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Solution

The fourth proportional to 15,328,002.99, 21,153,154.78 and 8,359,060.78 is: 11,535,782.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,328,002.99 : 21,153,154.78 = 8,359,060.78 : x
  2. Step 2: Convert to fraction form
    15,328,002.99/21,153,154.78 = 8,359,060.78/x
  3. Step 3: Cross multiply
    15,328,002.99x = 21,153,154.78 × 8,359,060.78
  4. Step 4: Simplify right side
    15,328,002.99x = 176,820,506,494,767.53
  5. Step 5: Solve for x
    x = 176,820,506,494,767.53/15,328,002.99
  6. Step 6: Final answer
    x = 11,535,782.36

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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.