Home / 14,617,165.72-20,177,492.70-9,908,642.20

Finding the Fourth Proportional to 14,617,165.72, 20,177,492.70 and 9,908,642.20

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Solution

The fourth proportional to 14,617,165.72, 20,177,492.70 and 9,908,642.20 is: 13,677,860.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,617,165.72 : 20,177,492.70 = 9,908,642.20 : x
  2. Step 2: Convert to fraction form
    14,617,165.72/20,177,492.70 = 9,908,642.20/x
  3. Step 3: Cross multiply
    14,617,165.72x = 20,177,492.70 × 9,908,642.20
  4. Step 4: Simplify right side
    14,617,165.72x = 199,931,555,657,411.91
  5. Step 5: Solve for x
    x = 199,931,555,657,411.91/14,617,165.72
  6. Step 6: Final answer
    x = 13,677,860.64

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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.