Home / 28,503,384.84-42,755,091.84-6,937,990.20

Finding the Fourth Proportional to 28,503,384.84, 42,755,091.84 and 6,937,990.20

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Solution

The fourth proportional to 28,503,384.84, 42,755,091.84 and 6,937,990.20 is: 10,406,988.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,503,384.84 : 42,755,091.84 = 6,937,990.20 : x
  2. Step 2: Convert to fraction form
    28,503,384.84/42,755,091.84 = 6,937,990.20/x
  3. Step 3: Cross multiply
    28,503,384.84x = 42,755,091.84 × 6,937,990.20
  4. Step 4: Simplify right side
    28,503,384.84x = 296,634,408,186,020
  5. Step 5: Solve for x
    x = 296,634,408,186,020/28,503,384.84
  6. Step 6: Final answer
    x = 10,406,988.85

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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.