Home / 28,886,291.31-43,329,434.33-12,712,242.57

Finding the Fourth Proportional to 28,886,291.31, 43,329,434.33 and 12,712,242.57

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Solution

The fourth proportional to 28,886,291.31, 43,329,434.33 and 12,712,242.57 is: 19,068,362.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,886,291.31 : 43,329,434.33 = 12,712,242.57 : x
  2. Step 2: Convert to fraction form
    28,886,291.31/43,329,434.33 = 12,712,242.57/x
  3. Step 3: Cross multiply
    28,886,291.31x = 43,329,434.33 × 12,712,242.57
  4. Step 4: Simplify right side
    28,886,291.31x = 550,814,279,343,637.06
  5. Step 5: Solve for x
    x = 550,814,279,343,637.06/28,886,291.31
  6. Step 6: Final answer
    x = 19,068,362.69

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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.