Home / 28,519,222.40-42,778,833.60-10,332,130.40

Finding the Fourth Proportional to 28,519,222.40, 42,778,833.60 and 10,332,130.40

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Solution

The fourth proportional to 28,519,222.40, 42,778,833.60 and 10,332,130.40 is: 15,498,195.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,519,222.40 : 42,778,833.60 = 10,332,130.40 : x
  2. Step 2: Convert to fraction form
    28,519,222.40/42,778,833.60 = 10,332,130.40/x
  3. Step 3: Cross multiply
    28,519,222.40x = 42,778,833.60 × 10,332,130.40
  4. Step 4: Simplify right side
    28,519,222.40x = 441,996,487,115,101.50
  5. Step 5: Solve for x
    x = 441,996,487,115,101.50/28,519,222.40
  6. Step 6: Final answer
    x = 15,498,195.60

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1.5x scale

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.