Home / 8,742,022.20-13,113,033.30-5,718,713.40

Finding the Fourth Proportional to 8,742,022.20, 13,113,033.30 and 5,718,713.40

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Solution

The fourth proportional to 8,742,022.20, 13,113,033.30 and 5,718,713.40 is: 8,578,070.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742,022.20 : 13,113,033.30 = 5,718,713.40 : x
  2. Step 2: Convert to fraction form
    8,742,022.20/13,113,033.30 = 5,718,713.40/x
  3. Step 3: Cross multiply
    8,742,022.20x = 13,113,033.30 × 5,718,713.40
  4. Step 4: Simplify right side
    8,742,022.20x = 74,989,679,247,356.23
  5. Step 5: Solve for x
    x = 74,989,679,247,356.23/8,742,022.20
  6. Step 6: Final answer
    x = 8,578,070.10

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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.