Home / 31,076,764.59-42,894,206.06-18,357,617.01

Finding the Fourth Proportional to 31,076,764.59, 42,894,206.06 and 18,357,617.01

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Solution

The fourth proportional to 31,076,764.59, 42,894,206.06 and 18,357,617.01 is: 25,338,397.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,076,764.59 : 42,894,206.06 = 18,357,617.01 : x
  2. Step 2: Convert to fraction form
    31,076,764.59/42,894,206.06 = 18,357,617.01/x
  3. Step 3: Cross multiply
    31,076,764.59x = 42,894,206.06 × 18,357,617.01
  4. Step 4: Simplify right side
    31,076,764.59x = 787,435,406,705,713
  5. Step 5: Solve for x
    x = 787,435,406,705,713/31,076,764.59
  6. Step 6: Final answer
    x = 25,338,397.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.