Home / 8,064,281.60-12,068,428.80-7,392,435.20

Finding the Fourth Proportional to 8,064,281.60, 12,068,428.80 and 7,392,435.20

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Solution

The fourth proportional to 8,064,281.60, 12,068,428.80 and 7,392,435.20 is: 11,062,991.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064,281.60 : 12,068,428.80 = 7,392,435.20 : x
  2. Step 2: Convert to fraction form
    8,064,281.60/12,068,428.80 = 7,392,435.20/x
  3. Step 3: Cross multiply
    8,064,281.60x = 12,068,428.80 × 7,392,435.20
  4. Step 4: Simplify right side
    8,064,281.60x = 89,215,077,869,813.77
  5. Step 5: Solve for x
    x = 89,215,077,869,813.77/8,064,281.60
  6. Step 6: Final answer
    x = 11,062,991.39

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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.