Home / 15,051,626.16-20,779,859.52-9,909,934.08

Finding the Fourth Proportional to 15,051,626.16, 20,779,859.52 and 9,909,934.08

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Solution

The fourth proportional to 15,051,626.16, 20,779,859.52 and 9,909,934.08 is: 13,681,381.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,051,626.16 : 20,779,859.52 = 9,909,934.08 : x
  2. Step 2: Convert to fraction form
    15,051,626.16/20,779,859.52 = 9,909,934.08/x
  3. Step 3: Cross multiply
    15,051,626.16x = 20,779,859.52 × 9,909,934.08
  4. Step 4: Simplify right side
    15,051,626.16x = 205,927,038,034,860.44
  5. Step 5: Solve for x
    x = 205,927,038,034,860.44/15,051,626.16
  6. Step 6: Final answer
    x = 13,681,381.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.