Home / 15,779,232.80-23,668,849.20-8,205,214.40

Finding the Fourth Proportional to 15,779,232.80, 23,668,849.20 and 8,205,214.40

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Solution

The fourth proportional to 15,779,232.80, 23,668,849.20 and 8,205,214.40 is: 12,307,821.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779,232.80 : 23,668,849.20 = 8,205,214.40 : x
  2. Step 2: Convert to fraction form
    15,779,232.80/23,668,849.20 = 8,205,214.40/x
  3. Step 3: Cross multiply
    15,779,232.80x = 23,668,849.20 × 8,205,214.40
  4. Step 4: Simplify right side
    15,779,232.80x = 194,207,982,287,268.47
  5. Step 5: Solve for x
    x = 194,207,982,287,268.47/15,779,232.80
  6. Step 6: Final answer
    x = 12,307,821.60

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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.