Home / 43,473,316.60-65,217,848.10-21,853,509.40

Finding the Fourth Proportional to 43,473,316.60, 65,217,848.10 and 21,853,509.40

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Solution

The fourth proportional to 43,473,316.60, 65,217,848.10 and 21,853,509.40 is: 32,784,221.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,473,316.60 : 65,217,848.10 = 21,853,509.40 : x
  2. Step 2: Convert to fraction form
    43,473,316.60/65,217,848.10 = 21,853,509.40/x
  3. Step 3: Cross multiply
    43,473,316.60x = 65,217,848.10 × 21,853,509.40
  4. Step 4: Simplify right side
    43,473,316.60x = 1,425,238,856,501,122
  5. Step 5: Solve for x
    x = 1,425,238,856,501,122/43,473,316.60
  6. Step 6: Final answer
    x = 32,784,221.86

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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.