Home / 12,312,140.20-18,468,210.30-3,795,087.40

Finding the Fourth Proportional to 12,312,140.20, 18,468,210.30 and 3,795,087.40

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Solution

The fourth proportional to 12,312,140.20, 18,468,210.30 and 3,795,087.40 is: 5,692,631.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,312,140.20 : 18,468,210.30 = 3,795,087.40 : x
  2. Step 2: Convert to fraction form
    12,312,140.20/18,468,210.30 = 3,795,087.40/x
  3. Step 3: Cross multiply
    12,312,140.20x = 18,468,210.30 × 3,795,087.40
  4. Step 4: Simplify right side
    12,312,140.20x = 70,088,472,210,080.22
  5. Step 5: Solve for x
    x = 70,088,472,210,080.22/12,312,140.20
  6. Step 6: Final answer
    x = 5,692,631.10

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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.