Home / 49,771,539.40-74,657,309.10-13,869,747.40

Finding the Fourth Proportional to 49,771,539.40, 74,657,309.10 and 13,869,747.40

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Solution

The fourth proportional to 49,771,539.40, 74,657,309.10 and 13,869,747.40 is: 20,804,621.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,771,539.40 : 74,657,309.10 = 13,869,747.40 : x
  2. Step 2: Convert to fraction form
    49,771,539.40/74,657,309.10 = 13,869,747.40/x
  3. Step 3: Cross multiply
    49,771,539.40x = 74,657,309.10 × 13,869,747.40
  4. Step 4: Simplify right side
    49,771,539.40x = 1,035,478,018,780,721.25
  5. Step 5: Solve for x
    x = 1,035,478,018,780,721.25/49,771,539.40
  6. Step 6: Final answer
    x = 20,804,621.10

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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.