Home / 28,371,870.60-42,563,783.68-9,201,132.84

Finding the Fourth Proportional to 28,371,870.60, 42,563,783.68 and 9,201,132.84

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Solution

The fourth proportional to 28,371,870.60, 42,563,783.68 and 9,201,132.84 is: 13,803,637.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,371,870.60 : 42,563,783.68 = 9,201,132.84 : x
  2. Step 2: Convert to fraction form
    28,371,870.60/42,563,783.68 = 9,201,132.84/x
  3. Step 3: Cross multiply
    28,371,870.60x = 42,563,783.68 × 9,201,132.84
  4. Step 4: Simplify right side
    28,371,870.60x = 391,635,027,812,704.06
  5. Step 5: Solve for x
    x = 391,635,027,812,704.06/28,371,870.60
  6. Step 6: Final answer
    x = 13,803,637.88

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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.