Home / 26,248,877.60-39,373,316.40-20,769,130.40

Finding the Fourth Proportional to 26,248,877.60, 39,373,316.40 and 20,769,130.40

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Solution

The fourth proportional to 26,248,877.60, 39,373,316.40 and 20,769,130.40 is: 31,153,695.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,248,877.60 : 39,373,316.40 = 20,769,130.40 : x
  2. Step 2: Convert to fraction form
    26,248,877.60/39,373,316.40 = 20,769,130.40/x
  3. Step 3: Cross multiply
    26,248,877.60x = 39,373,316.40 × 20,769,130.40
  4. Step 4: Simplify right side
    26,248,877.60x = 817,749,542,592,058.50
  5. Step 5: Solve for x
    x = 817,749,542,592,058.50/26,248,877.60
  6. Step 6: Final answer
    x = 31,153,695.60

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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.