Home / 12,869,817.60-19,304,726.40-8,558,803.20

Finding the Fourth Proportional to 12,869,817.60, 19,304,726.40 and 8,558,803.20

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Solution

The fourth proportional to 12,869,817.60, 19,304,726.40 and 8,558,803.20 is: 12,838,204.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,869,817.60 : 19,304,726.40 = 8,558,803.20 : x
  2. Step 2: Convert to fraction form
    12,869,817.60/19,304,726.40 = 8,558,803.20/x
  3. Step 3: Cross multiply
    12,869,817.60x = 19,304,726.40 × 8,558,803.20
  4. Step 4: Simplify right side
    12,869,817.60x = 165,225,354,087,444.44
  5. Step 5: Solve for x
    x = 165,225,354,087,444.44/12,869,817.60
  6. Step 6: Final answer
    x = 12,838,204.80

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1.5x scale

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.