Home / 18,018,312.40-24,865,147.88-9,758,184.72

Finding the Fourth Proportional to 18,018,312.40, 24,865,147.88 and 9,758,184.72

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Solution

The fourth proportional to 18,018,312.40, 24,865,147.88 and 9,758,184.72 is: 13,466,228.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,018,312.40 : 24,865,147.88 = 9,758,184.72 : x
  2. Step 2: Convert to fraction form
    18,018,312.40/24,865,147.88 = 9,758,184.72/x
  3. Step 3: Cross multiply
    18,018,312.40x = 24,865,147.88 × 9,758,184.72
  4. Step 4: Simplify right side
    18,018,312.40x = 242,638,706,034,307.56
  5. Step 5: Solve for x
    x = 242,638,706,034,307.56/18,018,312.40
  6. Step 6: Final answer
    x = 13,466,228.17

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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.