Home / 30,316,615.60-45,480,828.30-8,751,920.80

Finding the Fourth Proportional to 30,316,615.60, 45,480,828.30 and 8,751,920.80

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Solution

The fourth proportional to 30,316,615.60, 45,480,828.30 and 8,751,920.80 is: 13,129,585.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,316,615.60 : 45,480,828.30 = 8,751,920.80 : x
  2. Step 2: Convert to fraction form
    30,316,615.60/45,480,828.30 = 8,751,920.80/x
  3. Step 3: Cross multiply
    30,316,615.60x = 45,480,828.30 × 8,751,920.80
  4. Step 4: Simplify right side
    30,316,615.60x = 398,044,607,199,998.62
  5. Step 5: Solve for x
    x = 398,044,607,199,998.62/30,316,615.60
  6. Step 6: Final answer
    x = 13,129,585.85

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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.