Home / 10,692,752.80-16,039,129.20-8,897,663.20

Finding the Fourth Proportional to 10,692,752.80, 16,039,129.20 and 8,897,663.20

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Solution

The fourth proportional to 10,692,752.80, 16,039,129.20 and 8,897,663.20 is: 13,346,494.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692,752.80 : 16,039,129.20 = 8,897,663.20 : x
  2. Step 2: Convert to fraction form
    10,692,752.80/16,039,129.20 = 8,897,663.20/x
  3. Step 3: Cross multiply
    10,692,752.80x = 16,039,129.20 × 8,897,663.20
  4. Step 4: Simplify right side
    10,692,752.80x = 142,710,769,642,885.41
  5. Step 5: Solve for x
    x = 142,710,769,642,885.41/10,692,752.80
  6. Step 6: Final answer
    x = 13,346,494.80

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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.