Home / 18,686,312.61-25,787,182.70-10,426,723.02

Finding the Fourth Proportional to 18,686,312.61, 25,787,182.70 and 10,426,723.02

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Solution

The fourth proportional to 18,686,312.61, 25,787,182.70 and 10,426,723.02 is: 14,388,917.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,686,312.61 : 25,787,182.70 = 10,426,723.02 : x
  2. Step 2: Convert to fraction form
    18,686,312.61/25,787,182.70 = 10,426,723.02/x
  3. Step 3: Cross multiply
    18,686,312.61x = 25,787,182.70 × 10,426,723.02
  4. Step 4: Simplify right side
    18,686,312.61x = 268,875,811,426,902.12
  5. Step 5: Solve for x
    x = 268,875,811,426,902.12/18,686,312.61
  6. Step 6: Final answer
    x = 14,388,917.55

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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.