Home / 9,703,139.85-13,390,426.31-5,352,409.53

Finding the Fourth Proportional to 9,703,139.85, 13,390,426.31 and 5,352,409.53

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Solution

The fourth proportional to 9,703,139.85, 13,390,426.31 and 5,352,409.53 is: 7,386,376.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,703,139.85 : 13,390,426.31 = 5,352,409.53 : x
  2. Step 2: Convert to fraction form
    9,703,139.85/13,390,426.31 = 5,352,409.53/x
  3. Step 3: Cross multiply
    9,703,139.85x = 13,390,426.31 × 5,352,409.53
  4. Step 4: Simplify right side
    9,703,139.85x = 71,671,045,365,644.69
  5. Step 5: Solve for x
    x = 71,671,045,365,644.69/9,703,139.85
  6. Step 6: Final answer
    x = 7,386,376.62

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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.