Home / 51,323,488.56-76,985,331.90-12,461,776.68

Finding the Fourth Proportional to 51,323,488.56, 76,985,331.90 and 12,461,776.68

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Solution

The fourth proportional to 51,323,488.56, 76,985,331.90 and 12,461,776.68 is: 18,692,689.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,323,488.56 : 76,985,331.90 = 12,461,776.68 : x
  2. Step 2: Convert to fraction form
    51,323,488.56/76,985,331.90 = 12,461,776.68/x
  3. Step 3: Cross multiply
    51,323,488.56x = 76,985,331.90 × 12,461,776.68
  4. Step 4: Simplify right side
    51,323,488.56x = 959,374,013,773,480.12
  5. Step 5: Solve for x
    x = 959,374,013,773,480.12/51,323,488.56
  6. Step 6: Final answer
    x = 18,692,689.07

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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.