Home / 20,841,509.90-28,761,452.53-11,549,235.18

Finding the Fourth Proportional to 20,841,509.90, 28,761,452.53 and 11,549,235.18

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Solution

The fourth proportional to 20,841,509.90, 28,761,452.53 and 11,549,235.18 is: 15,938,038.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,841,509.90 : 28,761,452.53 = 11,549,235.18 : x
  2. Step 2: Convert to fraction form
    20,841,509.90/28,761,452.53 = 11,549,235.18/x
  3. Step 3: Cross multiply
    20,841,509.90x = 28,761,452.53 × 11,549,235.18
  4. Step 4: Simplify right side
    20,841,509.90x = 332,172,779,531,322.81
  5. Step 5: Solve for x
    x = 332,172,779,531,322.81/20,841,509.90
  6. Step 6: Final answer
    x = 15,938,038.13

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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.