Home / 42,574,810.60-63,862,215.90-12,283,661.80

Finding the Fourth Proportional to 42,574,810.60, 63,862,215.90 and 12,283,661.80

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Solution

The fourth proportional to 42,574,810.60, 63,862,215.90 and 12,283,661.80 is: 18,425,492.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,574,810.60 : 63,862,215.90 = 12,283,661.80 : x
  2. Step 2: Convert to fraction form
    42,574,810.60/63,862,215.90 = 12,283,661.80/x
  3. Step 3: Cross multiply
    42,574,810.60x = 63,862,215.90 × 12,283,661.80
  4. Step 4: Simplify right side
    42,574,810.60x = 784,461,861,914,182.62
  5. Step 5: Solve for x
    x = 784,461,861,914,182.62/42,574,810.60
  6. Step 6: Final answer
    x = 18,425,492.70

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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.