Home / 10,649,023.30-15,962,648.55-5,249,368.90

Finding the Fourth Proportional to 10,649,023.30, 15,962,648.55 and 5,249,368.90

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Solution

The fourth proportional to 10,649,023.30, 15,962,648.55 and 5,249,368.90 is: 7,868,686.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,649,023.30 : 15,962,648.55 = 5,249,368.90 : x
  2. Step 2: Convert to fraction form
    10,649,023.30/15,962,648.55 = 5,249,368.90/x
  3. Step 3: Cross multiply
    10,649,023.30x = 15,962,648.55 × 5,249,368.90
  4. Step 4: Simplify right side
    10,649,023.30x = 83,793,830,860,000.11
  5. Step 5: Solve for x
    x = 83,793,830,860,000.11/10,649,023.30
  6. Step 6: Final answer
    x = 7,868,686.97

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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.