Home / 30,307,412.84-45,461,513.21-10,112,654.84

Finding the Fourth Proportional to 30,307,412.84, 45,461,513.21 and 10,112,654.84

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Solution

The fourth proportional to 30,307,412.84, 45,461,513.21 and 10,112,654.84 is: 15,169,113.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,307,412.84 : 45,461,513.21 = 10,112,654.84 : x
  2. Step 2: Convert to fraction form
    30,307,412.84/45,461,513.21 = 10,112,654.84/x
  3. Step 3: Cross multiply
    30,307,412.84x = 45,461,513.21 × 10,112,654.84
  4. Step 4: Simplify right side
    30,307,412.84x = 459,736,591,318,959.62
  5. Step 5: Solve for x
    x = 459,736,591,318,959.62/30,307,412.84
  6. Step 6: Final answer
    x = 15,169,113.70

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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.