Home / 30,447,557.84-42,018,206.28-16,695,701.84

Finding the Fourth Proportional to 30,447,557.84, 42,018,206.28 and 16,695,701.84

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Solution

The fourth proportional to 30,447,557.84, 42,018,206.28 and 16,695,701.84 is: 23,040,384.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,447,557.84 : 42,018,206.28 = 16,695,701.84 : x
  2. Step 2: Convert to fraction form
    30,447,557.84/42,018,206.28 = 16,695,701.84/x
  3. Step 3: Cross multiply
    30,447,557.84x = 42,018,206.28 × 16,695,701.84
  4. Step 4: Simplify right side
    30,447,557.84x = 701,523,443,902,495.62
  5. Step 5: Solve for x
    x = 701,523,443,902,495.62/30,447,557.84
  6. Step 6: Final answer
    x = 23,040,384.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.