Home / 21,931,090,368.90-32,915,447,252.55-8,854,272,039.30

Finding the Fourth Proportional to 21,931,090,368.90, 32,915,447,252.55 and 8,854,272,039.30

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Solution

The fourth proportional to 21,931,090,368.90, 32,915,447,252.55 and 8,854,272,039.30 is: 13,289,002,934.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,931,090,368.90 : 32,915,447,252.55 = 8,854,272,039.30 : x
  2. Step 2: Convert to fraction form
    21,931,090,368.90/32,915,447,252.55 = 8,854,272,039.30/x
  3. Step 3: Cross multiply
    21,931,090,368.90x = 32,915,447,252.55 × 8,854,272,039.30
  4. Step 4: Simplify right side
    21,931,090,368.90x = 291,442,324,269,307,428,864
  5. Step 5: Solve for x
    x = 291,442,324,269,307,428,864/21,931,090,368.90
  6. Step 6: Final answer
    x = 13,289,002,934.51

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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.