Home / 31,586,427.60-47,342,316.60-13,390,587.60

Finding the Fourth Proportional to 31,586,427.60, 47,342,316.60 and 13,390,587.60

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Solution

The fourth proportional to 31,586,427.60, 47,342,316.60 and 13,390,587.60 is: 20,070,058.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,586,427.60 : 47,342,316.60 = 13,390,587.60 : x
  2. Step 2: Convert to fraction form
    31,586,427.60/47,342,316.60 = 13,390,587.60/x
  3. Step 3: Cross multiply
    31,586,427.60x = 47,342,316.60 × 13,390,587.60
  4. Step 4: Simplify right side
    31,586,427.60x = 633,941,437,619,234.12
  5. Step 5: Solve for x
    x = 633,941,437,619,234.12/31,586,427.60
  6. Step 6: Final answer
    x = 20,070,058.12

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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.