Home / 70,006,974.04-105,010,461.06-18,888,992.86

Finding the Fourth Proportional to 70,006,974.04, 105,010,461.06 and 18,888,992.86

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Solution

The fourth proportional to 70,006,974.04, 105,010,461.06 and 18,888,992.86 is: 28,333,489.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,006,974.04 : 105,010,461.06 = 18,888,992.86 : x
  2. Step 2: Convert to fraction form
    70,006,974.04/105,010,461.06 = 18,888,992.86/x
  3. Step 3: Cross multiply
    70,006,974.04x = 105,010,461.06 × 18,888,992.86
  4. Step 4: Simplify right side
    70,006,974.04x = 1,983,541,849,187,648
  5. Step 5: Solve for x
    x = 1,983,541,849,187,648/70,006,974.04
  6. Step 6: Final answer
    x = 28,333,489.29

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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.