Home / 14,112,073.80-21,140,117.10-7,712,944.20

Finding the Fourth Proportional to 14,112,073.80, 21,140,117.10 and 7,712,944.20

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Solution

The fourth proportional to 14,112,073.80, 21,140,117.10 and 7,712,944.20 is: 11,554,116.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112,073.80 : 21,140,117.10 = 7,712,944.20 : x
  2. Step 2: Convert to fraction form
    14,112,073.80/21,140,117.10 = 7,712,944.20/x
  3. Step 3: Cross multiply
    14,112,073.80x = 21,140,117.10 × 7,712,944.20
  4. Step 4: Simplify right side
    14,112,073.80x = 163,052,543,573,765.84
  5. Step 5: Solve for x
    x = 163,052,543,573,765.84/14,112,073.80
  6. Step 6: Final answer
    x = 11,554,116.42

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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.