Home / 30,343,205.70-45,514,808.55-8,778,510.90

Finding the Fourth Proportional to 30,343,205.70, 45,514,808.55 and 8,778,510.90

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Solution

The fourth proportional to 30,343,205.70, 45,514,808.55 and 8,778,510.90 is: 13,167,766.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,343,205.70 : 45,514,808.55 = 8,778,510.90 : x
  2. Step 2: Convert to fraction form
    30,343,205.70/45,514,808.55 = 8,778,510.90/x
  3. Step 3: Cross multiply
    30,343,205.70x = 45,514,808.55 × 8,778,510.90
  4. Step 4: Simplify right side
    30,343,205.70x = 399,552,242,967,588.19
  5. Step 5: Solve for x
    x = 399,552,242,967,588.19/30,343,205.70
  6. Step 6: Final answer
    x = 13,167,766.35

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Similar ratio
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1.5x scale

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.