Home / 13,799,312.40-20,698,968.60-4,711,671.30

Finding the Fourth Proportional to 13,799,312.40, 20,698,968.60 and 4,711,671.30

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Solution

The fourth proportional to 13,799,312.40, 20,698,968.60 and 4,711,671.30 is: 7,067,506.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799,312.40 : 20,698,968.60 = 4,711,671.30 : x
  2. Step 2: Convert to fraction form
    13,799,312.40/20,698,968.60 = 4,711,671.30/x
  3. Step 3: Cross multiply
    13,799,312.40x = 20,698,968.60 × 4,711,671.30
  4. Step 4: Simplify right side
    13,799,312.40x = 97,526,736,292,221.19
  5. Step 5: Solve for x
    x = 97,526,736,292,221.19/13,799,312.40
  6. Step 6: Final answer
    x = 7,067,506.95

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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.