Home / 30,924,803.30-42,676,578.54-16,986,483.68

Finding the Fourth Proportional to 30,924,803.30, 42,676,578.54 and 16,986,483.68

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Solution

The fourth proportional to 30,924,803.30, 42,676,578.54 and 16,986,483.68 is: 23,441,539.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,924,803.30 : 42,676,578.54 = 16,986,483.68 : x
  2. Step 2: Convert to fraction form
    30,924,803.30/42,676,578.54 = 16,986,483.68/x
  3. Step 3: Cross multiply
    30,924,803.30x = 42,676,578.54 × 16,986,483.68
  4. Step 4: Simplify right side
    30,924,803.30x = 724,925,004,674,565.38
  5. Step 5: Solve for x
    x = 724,925,004,674,565.38/30,924,803.30
  6. Step 6: Final answer
    x = 23,441,539.72

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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.