Home / 18,506,625.85-25,539,941.76-10,246,688.29

Finding the Fourth Proportional to 18,506,625.85, 25,539,941.76 and 10,246,688.29

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Solution

The fourth proportional to 18,506,625.85, 25,539,941.76 and 10,246,688.29 is: 14,140,871.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,506,625.85 : 25,539,941.76 = 10,246,688.29 : x
  2. Step 2: Convert to fraction form
    18,506,625.85/25,539,941.76 = 10,246,688.29/x
  3. Step 3: Cross multiply
    18,506,625.85x = 25,539,941.76 × 10,246,688.29
  4. Step 4: Simplify right side
    18,506,625.85x = 261,699,822,159,473.97
  5. Step 5: Solve for x
    x = 261,699,822,159,473.97/18,506,625.85
  6. Step 6: Final answer
    x = 14,140,871.72

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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.