Home / 8,831,545.85-12,185,746.61-5,159,753.28

Finding the Fourth Proportional to 8,831,545.85, 12,185,746.61 and 5,159,753.28

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Solution

The fourth proportional to 8,831,545.85, 12,185,746.61 and 5,159,753.28 is: 7,119,415.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831,545.85 : 12,185,746.61 = 5,159,753.28 : x
  2. Step 2: Convert to fraction form
    8,831,545.85/12,185,746.61 = 5,159,753.28/x
  3. Step 3: Cross multiply
    8,831,545.85x = 12,185,746.61 × 5,159,753.28
  4. Step 4: Simplify right side
    8,831,545.85x = 62,875,446,040,196.38
  5. Step 5: Solve for x
    x = 62,875,446,040,196.38/8,831,545.85
  6. Step 6: Final answer
    x = 7,119,415.68

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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.