Home / 30,646,351.61-45,955,693.72-8,781,729.81

Finding the Fourth Proportional to 30,646,351.61, 45,955,693.72 and 8,781,729.81

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Solution

The fourth proportional to 30,646,351.61, 45,955,693.72 and 8,781,729.81 is: 13,168,630.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,646,351.61 : 45,955,693.72 = 8,781,729.81 : x
  2. Step 2: Convert to fraction form
    30,646,351.61/45,955,693.72 = 8,781,729.81/x
  3. Step 3: Cross multiply
    30,646,351.61x = 45,955,693.72 × 8,781,729.81
  4. Step 4: Simplify right side
    30,646,351.61x = 403,570,485,480,153.81
  5. Step 5: Solve for x
    x = 403,570,485,480,153.81/30,646,351.61
  6. Step 6: Final answer
    x = 13,168,630.66

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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.