Home / 13,713,210.53-18,926,158.41-8,487,894.72

Finding the Fourth Proportional to 13,713,210.53, 18,926,158.41 and 8,487,894.72

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Solution

The fourth proportional to 13,713,210.53, 18,926,158.41 and 8,487,894.72 is: 11,714,487.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,713,210.53 : 18,926,158.41 = 8,487,894.72 : x
  2. Step 2: Convert to fraction form
    13,713,210.53/18,926,158.41 = 8,487,894.72/x
  3. Step 3: Cross multiply
    13,713,210.53x = 18,926,158.41 × 8,487,894.72
  4. Step 4: Simplify right side
    13,713,210.53x = 160,643,240,038,122.59
  5. Step 5: Solve for x
    x = 160,643,240,038,122.59/13,713,210.53
  6. Step 6: Final answer
    x = 11,714,487.99

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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.