Home / 14,257,937.80-21,386,906.70-8,211,320.20

Finding the Fourth Proportional to 14,257,937.80, 21,386,906.70 and 8,211,320.20

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Solution

The fourth proportional to 14,257,937.80, 21,386,906.70 and 8,211,320.20 is: 12,316,980.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,257,937.80 : 21,386,906.70 = 8,211,320.20 : x
  2. Step 2: Convert to fraction form
    14,257,937.80/21,386,906.70 = 8,211,320.20/x
  3. Step 3: Cross multiply
    14,257,937.80x = 21,386,906.70 × 8,211,320.20
  4. Step 4: Simplify right side
    14,257,937.80x = 175,614,739,001,225.34
  5. Step 5: Solve for x
    x = 175,614,739,001,225.34/14,257,937.80
  6. Step 6: Final answer
    x = 12,316,980.30

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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.