Home / 18,831,962.10-28,247,943.15-17,698,221.30

Finding the Fourth Proportional to 18,831,962.10, 28,247,943.15 and 17,698,221.30

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Solution

The fourth proportional to 18,831,962.10, 28,247,943.15 and 17,698,221.30 is: 26,547,331.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,831,962.10 : 28,247,943.15 = 17,698,221.30 : x
  2. Step 2: Convert to fraction form
    18,831,962.10/28,247,943.15 = 17,698,221.30/x
  3. Step 3: Cross multiply
    18,831,962.10x = 28,247,943.15 × 17,698,221.30
  4. Step 4: Simplify right side
    18,831,962.10x = 499,938,349,138,519.06
  5. Step 5: Solve for x
    x = 499,938,349,138,519.06/18,831,962.10
  6. Step 6: Final answer
    x = 26,547,331.95

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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.