Home / 7,339,140.90-11,007,855.59-1,948,210.20

Finding the Fourth Proportional to 7,339,140.90, 11,007,855.59 and 1,948,210.20

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Solution

The fourth proportional to 7,339,140.90, 11,007,855.59 and 1,948,210.20 is: 2,922,088.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339,140.90 : 11,007,855.59 = 1,948,210.20 : x
  2. Step 2: Convert to fraction form
    7,339,140.90/11,007,855.59 = 1,948,210.20/x
  3. Step 3: Cross multiply
    7,339,140.90x = 11,007,855.59 × 1,948,210.20
  4. Step 4: Simplify right side
    7,339,140.90x = 21,445,616,530,823.97
  5. Step 5: Solve for x
    x = 21,445,616,530,823.97/7,339,140.90
  6. Step 6: Final answer
    x = 2,922,088.13

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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.