Home / 12,209,622.08-18,317,025.48-4,636,420.16

Finding the Fourth Proportional to 12,209,622.08, 18,317,025.48 and 4,636,420.16

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Solution

The fourth proportional to 12,209,622.08, 18,317,025.48 and 4,636,420.16 is: 6,955,614.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,209,622.08 : 18,317,025.48 = 4,636,420.16 : x
  2. Step 2: Convert to fraction form
    12,209,622.08/18,317,025.48 = 4,636,420.16/x
  3. Step 3: Cross multiply
    12,209,622.08x = 18,317,025.48 × 4,636,420.16
  4. Step 4: Simplify right side
    12,209,622.08x = 84,925,426,206,705.69
  5. Step 5: Solve for x
    x = 84,925,426,206,705.69/12,209,622.08
  6. Step 6: Final answer
    x = 6,955,614.65

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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.