Home / 19,805,655.60-29,708,483.40-15,740,131.95

Finding the Fourth Proportional to 19,805,655.60, 29,708,483.40 and 15,740,131.95

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Solution

The fourth proportional to 19,805,655.60, 29,708,483.40 and 15,740,131.95 is: 23,610,197.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,805,655.60 : 29,708,483.40 = 15,740,131.95 : x
  2. Step 2: Convert to fraction form
    19,805,655.60/29,708,483.40 = 15,740,131.95/x
  3. Step 3: Cross multiply
    19,805,655.60x = 29,708,483.40 × 15,740,131.95
  4. Step 4: Simplify right side
    19,805,655.60x = 467,615,448,750,384.56
  5. Step 5: Solve for x
    x = 467,615,448,750,384.56/19,805,655.60
  6. Step 6: Final answer
    x = 23,610,197.93

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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.