Home / 20,564,972.21-28,363,113.86-18,078,877.26

Finding the Fourth Proportional to 20,564,972.21, 28,363,113.86 and 18,078,877.26

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Solution

The fourth proportional to 20,564,972.21, 28,363,113.86 and 18,078,877.26 is: 24,934,303.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,564,972.21 : 28,363,113.86 = 18,078,877.26 : x
  2. Step 2: Convert to fraction form
    20,564,972.21/28,363,113.86 = 18,078,877.26/x
  3. Step 3: Cross multiply
    20,564,972.21x = 28,363,113.86 × 18,078,877.26
  4. Step 4: Simplify right side
    20,564,972.21x = 512,773,254,186,344.88
  5. Step 5: Solve for x
    x = 512,773,254,186,344.88/20,564,972.21
  6. Step 6: Final answer
    x = 24,934,303.29

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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.