Home / 42,574,823.60-63,862,235.40-12,283,674.80

Finding the Fourth Proportional to 42,574,823.60, 63,862,235.40 and 12,283,674.80

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Solution

The fourth proportional to 42,574,823.60, 63,862,235.40 and 12,283,674.80 is: 18,425,512.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,574,823.60 : 63,862,235.40 = 12,283,674.80 : x
  2. Step 2: Convert to fraction form
    42,574,823.60/63,862,235.40 = 12,283,674.80/x
  3. Step 3: Cross multiply
    42,574,823.60x = 63,862,235.40 × 12,283,674.80
  4. Step 4: Simplify right side
    42,574,823.60x = 784,462,931,654,648
  5. Step 5: Solve for x
    x = 784,462,931,654,648/42,574,823.60
  6. Step 6: Final answer
    x = 18,425,512.20

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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.