Home / 30,974,437.10-46,461,655.65-18,881,201.90

Finding the Fourth Proportional to 30,974,437.10, 46,461,655.65 and 18,881,201.90

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Solution

The fourth proportional to 30,974,437.10, 46,461,655.65 and 18,881,201.90 is: 28,321,802.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,974,437.10 : 46,461,655.65 = 18,881,201.90 : x
  2. Step 2: Convert to fraction form
    30,974,437.10/46,461,655.65 = 18,881,201.90/x
  3. Step 3: Cross multiply
    30,974,437.10x = 46,461,655.65 × 18,881,201.90
  4. Step 4: Simplify right side
    30,974,437.10x = 877,251,900,935,925.62
  5. Step 5: Solve for x
    x = 877,251,900,935,925.62/30,974,437.10
  6. Step 6: Final answer
    x = 28,321,802.85

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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.