Home / 12,249,337.40-18,374,006.10-9,414,985.40

Finding the Fourth Proportional to 12,249,337.40, 18,374,006.10 and 9,414,985.40

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Solution

The fourth proportional to 12,249,337.40, 18,374,006.10 and 9,414,985.40 is: 14,122,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249,337.40 : 18,374,006.10 = 9,414,985.40 : x
  2. Step 2: Convert to fraction form
    12,249,337.40/18,374,006.10 = 9,414,985.40/x
  3. Step 3: Cross multiply
    12,249,337.40x = 18,374,006.10 × 9,414,985.40
  4. Step 4: Simplify right side
    12,249,337.40x = 172,990,999,171,010.97
  5. Step 5: Solve for x
    x = 172,990,999,171,010.97/12,249,337.40
  6. Step 6: Final answer
    x = 14,122,478.10

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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.