Home / 10,656,386.92-15,980,612.19-3,831,097.69

Finding the Fourth Proportional to 10,656,386.92, 15,980,612.19 and 3,831,097.69

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Solution

The fourth proportional to 10,656,386.92, 15,980,612.19 and 3,831,097.69 is: 5,745,219.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656,386.92 : 15,980,612.19 = 3,831,097.69 : x
  2. Step 2: Convert to fraction form
    10,656,386.92/15,980,612.19 = 3,831,097.69/x
  3. Step 3: Cross multiply
    10,656,386.92x = 15,980,612.19 × 3,831,097.69
  4. Step 4: Simplify right side
    10,656,386.92x = 61,223,286,445,894.84
  5. Step 5: Solve for x
    x = 61,223,286,445,894.84/10,656,386.92
  6. Step 6: Final answer
    x = 5,745,219.92

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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.