Home / 18,829,124.40-28,243,686.60-5,182,244.40

Finding the Fourth Proportional to 18,829,124.40, 28,243,686.60 and 5,182,244.40

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Solution

The fourth proportional to 18,829,124.40, 28,243,686.60 and 5,182,244.40 is: 7,773,366.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829,124.40 : 28,243,686.60 = 5,182,244.40 : x
  2. Step 2: Convert to fraction form
    18,829,124.40/28,243,686.60 = 5,182,244.40/x
  3. Step 3: Cross multiply
    18,829,124.40x = 28,243,686.60 × 5,182,244.40
  4. Step 4: Simplify right side
    18,829,124.40x = 146,365,686,718,205.06
  5. Step 5: Solve for x
    x = 146,365,686,718,205.06/18,829,124.40
  6. Step 6: Final answer
    x = 7,773,366.60

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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.