Home / 51,087,418.60-76,652,123.10-18,754,810.60

Finding the Fourth Proportional to 51,087,418.60, 76,652,123.10 and 18,754,810.60

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Solution

The fourth proportional to 51,087,418.60, 76,652,123.10 and 18,754,810.60 is: 28,139,923.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,087,418.60 : 76,652,123.10 = 18,754,810.60 : x
  2. Step 2: Convert to fraction form
    51,087,418.60/76,652,123.10 = 18,754,810.60/x
  3. Step 3: Cross multiply
    51,087,418.60x = 76,652,123.10 × 18,754,810.60
  4. Step 4: Simplify right side
    51,087,418.60x = 1,437,596,050,828,384.75
  5. Step 5: Solve for x
    x = 1,437,596,050,828,384.75/51,087,418.60
  6. Step 6: Final answer
    x = 28,139,923.49

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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.