Home / 43,781,641.60-65,672,462.40-11,868,937.60

Finding the Fourth Proportional to 43,781,641.60, 65,672,462.40 and 11,868,937.60

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Solution

The fourth proportional to 43,781,641.60, 65,672,462.40 and 11,868,937.60 is: 17,803,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,781,641.60 : 65,672,462.40 = 11,868,937.60 : x
  2. Step 2: Convert to fraction form
    43,781,641.60/65,672,462.40 = 11,868,937.60/x
  3. Step 3: Cross multiply
    43,781,641.60x = 65,672,462.40 × 11,868,937.60
  4. Step 4: Simplify right side
    43,781,641.60x = 779,462,358,263,946.25
  5. Step 5: Solve for x
    x = 779,462,358,263,946.25/43,781,641.60
  6. Step 6: Final answer
    x = 17,803,406.40

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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.