Home / 19,963,397.40-29,944,998.90-7,824,283.80

Finding the Fourth Proportional to 19,963,397.40, 29,944,998.90 and 7,824,283.80

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Solution

The fourth proportional to 19,963,397.40, 29,944,998.90 and 7,824,283.80 is: 11,736,387.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,963,397.40 : 29,944,998.90 = 7,824,283.80 : x
  2. Step 2: Convert to fraction form
    19,963,397.40/29,944,998.90 = 7,824,283.80/x
  3. Step 3: Cross multiply
    19,963,397.40x = 29,944,998.90 × 7,824,283.80
  4. Step 4: Simplify right side
    19,963,397.40x = 234,298,169,784,287.81
  5. Step 5: Solve for x
    x = 234,298,169,784,287.81/19,963,397.40
  6. Step 6: Final answer
    x = 11,736,387.60

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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.