Home / 8,689,643.40-13,034,465.10-2,300,541.60

Finding the Fourth Proportional to 8,689,643.40, 13,034,465.10 and 2,300,541.60

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Solution

The fourth proportional to 8,689,643.40, 13,034,465.10 and 2,300,541.60 is: 3,450,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,689,643.40 : 13,034,465.10 = 2,300,541.60 : x
  2. Step 2: Convert to fraction form
    8,689,643.40/13,034,465.10 = 2,300,541.60/x
  3. Step 3: Cross multiply
    8,689,643.40x = 13,034,465.10 × 2,300,541.60
  4. Step 4: Simplify right side
    8,689,643.40x = 29,986,329,196,298.16
  5. Step 5: Solve for x
    x = 29,986,329,196,298.16/8,689,643.40
  6. Step 6: Final answer
    x = 3,450,812.40

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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.