Home / 13,337,688.96-18,406,007.16-7,226,117.46

Finding the Fourth Proportional to 13,337,688.96, 18,406,007.16 and 7,226,117.46

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Solution

The fourth proportional to 13,337,688.96, 18,406,007.16 and 7,226,117.46 is: 9,972,040.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337,688.96 : 18,406,007.16 = 7,226,117.46 : x
  2. Step 2: Convert to fraction form
    13,337,688.96/18,406,007.16 = 7,226,117.46/x
  3. Step 3: Cross multiply
    13,337,688.96x = 18,406,007.16 × 7,226,117.46
  4. Step 4: Simplify right side
    13,337,688.96x = 133,003,969,680,663.08
  5. Step 5: Solve for x
    x = 133,003,969,680,663.08/13,337,688.96
  6. Step 6: Final answer
    x = 9,972,040.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.