Home / 21,030,575.40-31,554,720.45-11,452,827.60

Finding the Fourth Proportional to 21,030,575.40, 31,554,720.45 and 11,452,827.60

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Solution

The fourth proportional to 21,030,575.40, 31,554,720.45 and 11,452,827.60 is: 17,184,064.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,030,575.40 : 31,554,720.45 = 11,452,827.60 : x
  2. Step 2: Convert to fraction form
    21,030,575.40/31,554,720.45 = 11,452,827.60/x
  3. Step 3: Cross multiply
    21,030,575.40x = 31,554,720.45 × 11,452,827.60
  4. Step 4: Simplify right side
    21,030,575.40x = 361,390,773,280,044.38
  5. Step 5: Solve for x
    x = 361,390,773,280,044.38/21,030,575.40
  6. Step 6: Final answer
    x = 17,184,064.93

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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.