Home / 10,931,729.60-16,397,594.40-8,805,965.60

Finding the Fourth Proportional to 10,931,729.60, 16,397,594.40 and 8,805,965.60

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Solution

The fourth proportional to 10,931,729.60, 16,397,594.40 and 8,805,965.60 is: 13,208,948.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931,729.60 : 16,397,594.40 = 8,805,965.60 : x
  2. Step 2: Convert to fraction form
    10,931,729.60/16,397,594.40 = 8,805,965.60/x
  3. Step 3: Cross multiply
    10,931,729.60x = 16,397,594.40 × 8,805,965.60
  4. Step 4: Simplify right side
    10,931,729.60x = 144,396,652,209,152.62
  5. Step 5: Solve for x
    x = 144,396,652,209,152.62/10,931,729.60
  6. Step 6: Final answer
    x = 13,208,948.40

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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.