Home / 10,838,885.38-14,961,869.85-8,130,510.34

Finding the Fourth Proportional to 10,838,885.38, 14,961,869.85 and 8,130,510.34

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Solution

The fourth proportional to 10,838,885.38, 14,961,869.85 and 8,130,510.34 is: 11,223,260.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,838,885.38 : 14,961,869.85 = 8,130,510.34 : x
  2. Step 2: Convert to fraction form
    10,838,885.38/14,961,869.85 = 8,130,510.34/x
  3. Step 3: Cross multiply
    10,838,885.38x = 14,961,869.85 × 8,130,510.34
  4. Step 4: Simplify right side
    10,838,885.38x = 121,647,637,521,159.25
  5. Step 5: Solve for x
    x = 121,647,637,521,159.25/10,838,885.38
  6. Step 6: Final answer
    x = 11,223,260.81

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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.