Home / 21,352,528,891.72-32,034,128,085.42-15,069,226,365.64

Finding the Fourth Proportional to 21,352,528,891.72, 32,034,128,085.42 and 15,069,226,365.64

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Solution

The fourth proportional to 21,352,528,891.72, 32,034,128,085.42 and 15,069,226,365.64 is: 22,607,604,466.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,352,528,891.72 : 32,034,128,085.42 = 15,069,226,365.64 : x
  2. Step 2: Convert to fraction form
    21,352,528,891.72/32,034,128,085.42 = 15,069,226,365.64/x
  3. Step 3: Cross multiply
    21,352,528,891.72x = 32,034,128,085.42 × 15,069,226,365.64
  4. Step 4: Simplify right side
    21,352,528,891.72x = 482,729,527,545,099,845,632
  5. Step 5: Solve for x
    x = 482,729,527,545,099,845,632/21,352,528,891.72
  6. Step 6: Final answer
    x = 22,607,604,466.57

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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.