Home / 32,868,005.40-49,207,529.70-20,113,421.40

Finding the Fourth Proportional to 32,868,005.40, 49,207,529.70 and 20,113,421.40

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Solution

The fourth proportional to 32,868,005.40, 49,207,529.70 and 20,113,421.40 is: 30,112,316.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,868,005.40 : 49,207,529.70 = 20,113,421.40 : x
  2. Step 2: Convert to fraction form
    32,868,005.40/49,207,529.70 = 20,113,421.40/x
  3. Step 3: Cross multiply
    32,868,005.40x = 49,207,529.70 × 20,113,421.40
  4. Step 4: Simplify right side
    32,868,005.40x = 989,731,780,909,115.62
  5. Step 5: Solve for x
    x = 989,731,780,909,115.62/32,868,005.40
  6. Step 6: Final answer
    x = 30,112,316.49

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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.