Home / 6,750,312.80-10,109,722.80-6,615,010.40

Finding the Fourth Proportional to 6,750,312.80, 10,109,722.80 and 6,615,010.40

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Solution

The fourth proportional to 6,750,312.80, 10,109,722.80 and 6,615,010.40 is: 9,907,084.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,750,312.80 : 10,109,722.80 = 6,615,010.40 : x
  2. Step 2: Convert to fraction form
    6,750,312.80/10,109,722.80 = 6,615,010.40/x
  3. Step 3: Cross multiply
    6,750,312.80x = 10,109,722.80 × 6,615,010.40
  4. Step 4: Simplify right side
    6,750,312.80x = 66,875,921,463,117.12
  5. Step 5: Solve for x
    x = 66,875,921,463,117.12/6,750,312.80
  6. Step 6: Final answer
    x = 9,907,084.82

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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.