Home / 7,884,005.10-11,826,007.65-5,345,918.70

Finding the Fourth Proportional to 7,884,005.10, 11,826,007.65 and 5,345,918.70

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Solution

The fourth proportional to 7,884,005.10, 11,826,007.65 and 5,345,918.70 is: 8,018,878.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884,005.10 : 11,826,007.65 = 5,345,918.70 : x
  2. Step 2: Convert to fraction form
    7,884,005.10/11,826,007.65 = 5,345,918.70/x
  3. Step 3: Cross multiply
    7,884,005.10x = 11,826,007.65 × 5,345,918.70
  4. Step 4: Simplify right side
    7,884,005.10x = 63,220,875,442,478.06
  5. Step 5: Solve for x
    x = 63,220,875,442,478.06/7,884,005.10
  6. Step 6: Final answer
    x = 8,018,878.05

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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.