Home / 28,886,292.96-43,329,436.81-12,712,244.22

Finding the Fourth Proportional to 28,886,292.96, 43,329,436.81 and 12,712,244.22

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Solution

The fourth proportional to 28,886,292.96, 43,329,436.81 and 12,712,244.22 is: 19,068,365.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,886,292.96 : 43,329,436.81 = 12,712,244.22 : x
  2. Step 2: Convert to fraction form
    28,886,292.96/43,329,436.81 = 12,712,244.22/x
  3. Step 3: Cross multiply
    28,886,292.96x = 43,329,436.81 × 12,712,244.22
  4. Step 4: Simplify right side
    28,886,292.96x = 550,814,382,822,153.50
  5. Step 5: Solve for x
    x = 550,814,382,822,153.50/28,886,292.96
  6. Step 6: Final answer
    x = 19,068,365.18

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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.