Home / 12,949,979.20-19,436,719.20-6,564,673.60

Finding the Fourth Proportional to 12,949,979.20, 19,436,719.20 and 6,564,673.60

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Solution

The fourth proportional to 12,949,979.20, 19,436,719.20 and 6,564,673.60 is: 9,852,966.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949,979.20 : 19,436,719.20 = 6,564,673.60 : x
  2. Step 2: Convert to fraction form
    12,949,979.20/19,436,719.20 = 6,564,673.60/x
  3. Step 3: Cross multiply
    12,949,979.20x = 19,436,719.20 × 6,564,673.60
  4. Step 4: Simplify right side
    12,949,979.20x = 127,595,717,402,853.11
  5. Step 5: Solve for x
    x = 127,595,717,402,853.11/12,949,979.20
  6. Step 6: Final answer
    x = 9,852,966.98

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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.