Home / 19,852,557.60-29,778,836.40-7,073,479.20

Finding the Fourth Proportional to 19,852,557.60, 29,778,836.40 and 7,073,479.20

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Solution

The fourth proportional to 19,852,557.60, 29,778,836.40 and 7,073,479.20 is: 10,610,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,852,557.60 : 29,778,836.40 = 7,073,479.20 : x
  2. Step 2: Convert to fraction form
    19,852,557.60/29,778,836.40 = 7,073,479.20/x
  3. Step 3: Cross multiply
    19,852,557.60x = 29,778,836.40 × 7,073,479.20
  4. Step 4: Simplify right side
    19,852,557.60x = 210,639,979,875,602.88
  5. Step 5: Solve for x
    x = 210,639,979,875,602.88/19,852,557.60
  6. Step 6: Final answer
    x = 10,610,218.80

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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.