Home / 28,461,807.18-42,700,692.15-11,434,437.54

Finding the Fourth Proportional to 28,461,807.18, 42,700,692.15 and 11,434,437.54

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Solution

The fourth proportional to 28,461,807.18, 42,700,692.15 and 11,434,437.54 is: 17,154,862.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,461,807.18 : 42,700,692.15 = 11,434,437.54 : x
  2. Step 2: Convert to fraction form
    28,461,807.18/42,700,692.15 = 11,434,437.54/x
  3. Step 3: Cross multiply
    28,461,807.18x = 42,700,692.15 × 11,434,437.54
  4. Step 4: Simplify right side
    28,461,807.18x = 488,258,397,303,943.25
  5. Step 5: Solve for x
    x = 488,258,397,303,943.25/28,461,807.18
  6. Step 6: Final answer
    x = 17,154,862.80

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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.