Home / 19,480,645.74-29,220,130.17-5,103,395.22

Finding the Fourth Proportional to 19,480,645.74, 29,220,130.17 and 5,103,395.22

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Solution

The fourth proportional to 19,480,645.74, 29,220,130.17 and 5,103,395.22 is: 7,654,873.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,480,645.74 : 29,220,130.17 = 5,103,395.22 : x
  2. Step 2: Convert to fraction form
    19,480,645.74/29,220,130.17 = 5,103,395.22/x
  3. Step 3: Cross multiply
    19,480,645.74x = 29,220,130.17 × 5,103,395.22
  4. Step 4: Simplify right side
    19,480,645.74x = 149,121,872,637,355.78
  5. Step 5: Solve for x
    x = 149,121,872,637,355.78/19,480,645.74
  6. Step 6: Final answer
    x = 7,654,873.18

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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.