Home / 38,885,811.09-58,287,972.95-18,119,128.16

Finding the Fourth Proportional to 38,885,811.09, 58,287,972.95 and 18,119,128.16

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Solution

The fourth proportional to 38,885,811.09, 58,287,972.95 and 18,119,128.16 is: 27,159,707.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,885,811.09 : 58,287,972.95 = 18,119,128.16 : x
  2. Step 2: Convert to fraction form
    38,885,811.09/58,287,972.95 = 18,119,128.16/x
  3. Step 3: Cross multiply
    38,885,811.09x = 58,287,972.95 × 18,119,128.16
  4. Step 4: Simplify right side
    38,885,811.09x = 1,056,127,251,685,627.88
  5. Step 5: Solve for x
    x = 1,056,127,251,685,627.88/38,885,811.09
  6. Step 6: Final answer
    x = 27,159,707.41

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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.