Home / 20,565,001.90-28,363,154.83-18,078,907.10

Finding the Fourth Proportional to 20,565,001.90, 28,363,154.83 and 18,078,907.10

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Solution

The fourth proportional to 20,565,001.90, 28,363,154.83 and 18,078,907.10 is: 24,934,344.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,565,001.90 : 28,363,154.83 = 18,078,907.10 : x
  2. Step 2: Convert to fraction form
    20,565,001.90/28,363,154.83 = 18,078,907.10/x
  3. Step 3: Cross multiply
    20,565,001.90x = 28,363,154.83 × 18,078,907.10
  4. Step 4: Simplify right side
    20,565,001.90x = 512,774,841,234,486.31
  5. Step 5: Solve for x
    x = 512,774,841,234,486.31/20,565,001.90
  6. Step 6: Final answer
    x = 24,934,344.46

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1.5x scale

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.