Home / 38,745,009.60-58,076,042.40-13,162,315.20

Finding the Fourth Proportional to 38,745,009.60, 58,076,042.40 and 13,162,315.20

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Solution

The fourth proportional to 38,745,009.60, 58,076,042.40 and 13,162,315.20 is: 19,729,384.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,745,009.60 : 58,076,042.40 = 13,162,315.20 : x
  2. Step 2: Convert to fraction form
    38,745,009.60/58,076,042.40 = 13,162,315.20/x
  3. Step 3: Cross multiply
    38,745,009.60x = 58,076,042.40 × 13,162,315.20
  4. Step 4: Simplify right side
    38,745,009.60x = 764,415,175,637,364.38
  5. Step 5: Solve for x
    x = 764,415,175,637,364.38/38,745,009.60
  6. Step 6: Final answer
    x = 19,729,384.08

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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.