Home / 30,816,641.11-42,528,301.53-17,065,605.23

Finding the Fourth Proportional to 30,816,641.11, 42,528,301.53 and 17,065,605.23

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Solution

The fourth proportional to 30,816,641.11, 42,528,301.53 and 17,065,605.23 is: 23,551,275.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,816,641.11 : 42,528,301.53 = 17,065,605.23 : x
  2. Step 2: Convert to fraction form
    30,816,641.11/42,528,301.53 = 17,065,605.23/x
  3. Step 3: Cross multiply
    30,816,641.11x = 42,528,301.53 × 17,065,605.23
  4. Step 4: Simplify right side
    30,816,641.11x = 725,771,205,279,449.88
  5. Step 5: Solve for x
    x = 725,771,205,279,449.88/30,816,641.11
  6. Step 6: Final answer
    x = 23,551,275.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.