Home / 21,352,528,890.72-32,034,128,083.92-15,069,226,364.64

Finding the Fourth Proportional to 21,352,528,890.72, 32,034,128,083.92 and 15,069,226,364.64

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Solution

The fourth proportional to 21,352,528,890.72, 32,034,128,083.92 and 15,069,226,364.64 is: 22,607,604,465.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,352,528,890.72 : 32,034,128,083.92 = 15,069,226,364.64 : x
  2. Step 2: Convert to fraction form
    21,352,528,890.72/32,034,128,083.92 = 15,069,226,364.64/x
  3. Step 3: Cross multiply
    21,352,528,890.72x = 32,034,128,083.92 × 15,069,226,364.64
  4. Step 4: Simplify right side
    21,352,528,890.72x = 482,729,527,490,461,892,608
  5. Step 5: Solve for x
    x = 482,729,527,490,461,892,608/21,352,528,890.72
  6. Step 6: Final answer
    x = 22,607,604,465.07

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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.