Home / 12,385,328.04-17,091,792.30-6,878,701.91

Finding the Fourth Proportional to 12,385,328.04, 17,091,792.30 and 6,878,701.91

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Solution

The fourth proportional to 12,385,328.04, 17,091,792.30 and 6,878,701.91 is: 9,492,630.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,385,328.04 : 17,091,792.30 = 6,878,701.91 : x
  2. Step 2: Convert to fraction form
    12,385,328.04/17,091,792.30 = 6,878,701.91/x
  3. Step 3: Cross multiply
    12,385,328.04x = 17,091,792.30 × 6,878,701.91
  4. Step 4: Simplify right side
    12,385,328.04x = 117,569,344,253,874.34
  5. Step 5: Solve for x
    x = 117,569,344,253,874.34/12,385,328.04
  6. Step 6: Final answer
    x = 9,492,630.63

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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.