Home / 42,141,278.89-63,211,942.64-11,849,141.89

Finding the Fourth Proportional to 42,141,278.89, 63,211,942.64 and 11,849,141.89

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Solution

The fourth proportional to 42,141,278.89, 63,211,942.64 and 11,849,141.89 is: 17,773,719.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,141,278.89 : 63,211,942.64 = 11,849,141.89 : x
  2. Step 2: Convert to fraction form
    42,141,278.89/63,211,942.64 = 11,849,141.89/x
  3. Step 3: Cross multiply
    42,141,278.89x = 63,211,942.64 × 11,849,141.89
  4. Step 4: Simplify right side
    42,141,278.89x = 749,007,277,483,901.25
  5. Step 5: Solve for x
    x = 749,007,277,483,901.25/42,141,278.89
  6. Step 6: Final answer
    x = 17,773,719.67

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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.