Home / 12,656,885.40-17,466,502.50-6,855,669.18

Finding the Fourth Proportional to 12,656,885.40, 17,466,502.50 and 6,855,669.18

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Solution

The fourth proportional to 12,656,885.40, 17,466,502.50 and 6,855,669.18 is: 9,460,823.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,656,885.40 : 17,466,502.50 = 6,855,669.18 : x
  2. Step 2: Convert to fraction form
    12,656,885.40/17,466,502.50 = 6,855,669.18/x
  3. Step 3: Cross multiply
    12,656,885.40x = 17,466,502.50 × 6,855,669.18
  4. Step 4: Simplify right side
    12,656,885.40x = 119,744,562,871,642.94
  5. Step 5: Solve for x
    x = 119,744,562,871,642.94/12,656,885.40
  6. Step 6: Final answer
    x = 9,460,823.82

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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.