Home / 20,559,645.40-30,839,468.10-6,184,931.80

Finding the Fourth Proportional to 20,559,645.40, 30,839,468.10 and 6,184,931.80

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Solution

The fourth proportional to 20,559,645.40, 30,839,468.10 and 6,184,931.80 is: 9,277,397.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,559,645.40 : 30,839,468.10 = 6,184,931.80 : x
  2. Step 2: Convert to fraction form
    20,559,645.40/30,839,468.10 = 6,184,931.80/x
  3. Step 3: Cross multiply
    20,559,645.40x = 30,839,468.10 × 6,184,931.80
  4. Step 4: Simplify right side
    20,559,645.40x = 190,740,006,946,775.59
  5. Step 5: Solve for x
    x = 190,740,006,946,775.59/20,559,645.40
  6. Step 6: Final answer
    x = 9,277,397.70

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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.