Home / 7,152,810.61-9,871,138.21-4,097,615.35

Finding the Fourth Proportional to 7,152,810.61, 9,871,138.21 and 4,097,615.35

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Solution

The fourth proportional to 7,152,810.61, 9,871,138.21 and 4,097,615.35 is: 5,654,857.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,810.61 : 9,871,138.21 = 4,097,615.35 : x
  2. Step 2: Convert to fraction form
    7,152,810.61/9,871,138.21 = 4,097,615.35/x
  3. Step 3: Cross multiply
    7,152,810.61x = 9,871,138.21 × 4,097,615.35
  4. Step 4: Simplify right side
    7,152,810.61x = 40,448,127,416,345.64
  5. Step 5: Solve for x
    x = 40,448,127,416,345.64/7,152,810.61
  6. Step 6: Final answer
    x = 5,654,857.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.