Home / 30,448,045.80-45,674,142.30-9,696,839.40

Finding the Fourth Proportional to 30,448,045.80, 45,674,142.30 and 9,696,839.40

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Solution

The fourth proportional to 30,448,045.80, 45,674,142.30 and 9,696,839.40 is: 14,545,919.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,448,045.80 : 45,674,142.30 = 9,696,839.40 : x
  2. Step 2: Convert to fraction form
    30,448,045.80/45,674,142.30 = 9,696,839.40/x
  3. Step 3: Cross multiply
    30,448,045.80x = 45,674,142.30 × 9,696,839.40
  4. Step 4: Simplify right side
    30,448,045.80x = 442,894,822,615,846.62
  5. Step 5: Solve for x
    x = 442,894,822,615,846.62/30,448,045.80
  6. Step 6: Final answer
    x = 14,545,919.48

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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.