Home / 18,875,631.40-28,292,451.90-10,362,077.80

Finding the Fourth Proportional to 18,875,631.40, 28,292,451.90 and 10,362,077.80

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Solution

The fourth proportional to 18,875,631.40, 28,292,451.90 and 10,362,077.80 is: 15,531,591.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,875,631.40 : 28,292,451.90 = 10,362,077.80 : x
  2. Step 2: Convert to fraction form
    18,875,631.40/28,292,451.90 = 10,362,077.80/x
  3. Step 3: Cross multiply
    18,875,631.40x = 28,292,451.90 × 10,362,077.80
  4. Step 4: Simplify right side
    18,875,631.40x = 293,168,587,740,557.81
  5. Step 5: Solve for x
    x = 293,168,587,740,557.81/18,875,631.40
  6. Step 6: Final answer
    x = 15,531,591.05

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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.