Home / 10,890,030.60-16,335,045.90-7,488,808.20

Finding the Fourth Proportional to 10,890,030.60, 16,335,045.90 and 7,488,808.20

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Solution

The fourth proportional to 10,890,030.60, 16,335,045.90 and 7,488,808.20 is: 11,233,212.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890,030.60 : 16,335,045.90 = 7,488,808.20 : x
  2. Step 2: Convert to fraction form
    10,890,030.60/16,335,045.90 = 7,488,808.20/x
  3. Step 3: Cross multiply
    10,890,030.60x = 16,335,045.90 × 7,488,808.20
  4. Step 4: Simplify right side
    10,890,030.60x = 122,330,025,683,296.39
  5. Step 5: Solve for x
    x = 122,330,025,683,296.39/10,890,030.60
  6. Step 6: Final answer
    x = 11,233,212.30

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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.