Home / 31,824,020.40-47,736,030.60-19,730,785.20

Finding the Fourth Proportional to 31,824,020.40, 47,736,030.60 and 19,730,785.20

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Solution

The fourth proportional to 31,824,020.40, 47,736,030.60 and 19,730,785.20 is: 29,596,177.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,824,020.40 : 47,736,030.60 = 19,730,785.20 : x
  2. Step 2: Convert to fraction form
    31,824,020.40/47,736,030.60 = 19,730,785.20/x
  3. Step 3: Cross multiply
    31,824,020.40x = 47,736,030.60 × 19,730,785.20
  4. Step 4: Simplify right side
    31,824,020.40x = 941,869,366,069,227.12
  5. Step 5: Solve for x
    x = 941,869,366,069,227.12/31,824,020.40
  6. Step 6: Final answer
    x = 29,596,177.80

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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.