Home / 12,302,427.60-18,453,641.40-8,712,248.40

Finding the Fourth Proportional to 12,302,427.60, 18,453,641.40 and 8,712,248.40

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Solution

The fourth proportional to 12,302,427.60, 18,453,641.40 and 8,712,248.40 is: 13,068,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302,427.60 : 18,453,641.40 = 8,712,248.40 : x
  2. Step 2: Convert to fraction form
    12,302,427.60/18,453,641.40 = 8,712,248.40/x
  3. Step 3: Cross multiply
    12,302,427.60x = 18,453,641.40 × 8,712,248.40
  4. Step 4: Simplify right side
    12,302,427.60x = 160,772,707,761,323.75
  5. Step 5: Solve for x
    x = 160,772,707,761,323.75/12,302,427.60
  6. Step 6: Final answer
    x = 13,068,372.60

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1.5x scale

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.