Home / 30,253,330.60-45,342,152.70-15,111,488.68

Finding the Fourth Proportional to 30,253,330.60, 45,342,152.70 and 15,111,488.68

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Solution

The fourth proportional to 30,253,330.60, 45,342,152.70 and 15,111,488.68 is: 22,648,330.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,253,330.60 : 45,342,152.70 = 15,111,488.68 : x
  2. Step 2: Convert to fraction form
    30,253,330.60/45,342,152.70 = 15,111,488.68/x
  3. Step 3: Cross multiply
    30,253,330.60x = 45,342,152.70 × 15,111,488.68
  4. Step 4: Simplify right side
    30,253,330.60x = 685,187,427,252,881.50
  5. Step 5: Solve for x
    x = 685,187,427,252,881.50/30,253,330.60
  6. Step 6: Final answer
    x = 22,648,330.40

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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.