Home / 30,386,190.56-45,586,536.75-9,915,948.11

Finding the Fourth Proportional to 30,386,190.56, 45,586,536.75 and 9,915,948.11

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Solution

The fourth proportional to 30,386,190.56, 45,586,536.75 and 9,915,948.11 is: 14,876,288.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,386,190.56 : 45,586,536.75 = 9,915,948.11 : x
  2. Step 2: Convert to fraction form
    30,386,190.56/45,586,536.75 = 9,915,948.11/x
  3. Step 3: Cross multiply
    30,386,190.56x = 45,586,536.75 × 9,915,948.11
  4. Step 4: Simplify right side
    30,386,190.56x = 452,033,733,041,574.44
  5. Step 5: Solve for x
    x = 452,033,733,041,574.44/30,386,190.56
  6. Step 6: Final answer
    x = 14,876,288.37

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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.