Home / 10,989,823.93-15,152,019.33-7,853,833.19

Finding the Fourth Proportional to 10,989,823.93, 15,152,019.33 and 7,853,833.19

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Solution

The fourth proportional to 10,989,823.93, 15,152,019.33 and 7,853,833.19 is: 10,828,329.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989,823.93 : 15,152,019.33 = 7,853,833.19 : x
  2. Step 2: Convert to fraction form
    10,989,823.93/15,152,019.33 = 7,853,833.19/x
  3. Step 3: Cross multiply
    10,989,823.93x = 15,152,019.33 × 7,853,833.19
  4. Step 4: Simplify right side
    10,989,823.93x = 119,001,432,376,807.48
  5. Step 5: Solve for x
    x = 119,001,432,376,807.48/10,989,823.93
  6. Step 6: Final answer
    x = 10,828,329.29

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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.