Home / 18,812,368.67-28,215,532.51-5,162,327.24

Finding the Fourth Proportional to 18,812,368.67, 28,215,532.51 and 5,162,327.24

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Solution

The fourth proportional to 18,812,368.67, 28,215,532.51 and 5,162,327.24 is: 7,742,662.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,812,368.67 : 28,215,532.51 = 5,162,327.24 : x
  2. Step 2: Convert to fraction form
    18,812,368.67/28,215,532.51 = 5,162,327.24/x
  3. Step 3: Cross multiply
    18,812,368.67x = 28,215,532.51 × 5,162,327.24
  4. Step 4: Simplify right side
    18,812,368.67x = 145,657,811,913,495.09
  5. Step 5: Solve for x
    x = 145,657,811,913,495.09/18,812,368.67
  6. Step 6: Final answer
    x = 7,742,662.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.