Home / 31,153,141.44-42,991,332.64-17,402,105.44

Finding the Fourth Proportional to 31,153,141.44, 42,991,332.64 and 17,402,105.44

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Solution

The fourth proportional to 31,153,141.44, 42,991,332.64 and 17,402,105.44 is: 24,014,904.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,153,141.44 : 42,991,332.64 = 17,402,105.44 : x
  2. Step 2: Convert to fraction form
    31,153,141.44/42,991,332.64 = 17,402,105.44/x
  3. Step 3: Cross multiply
    31,153,141.44x = 42,991,332.64 × 17,402,105.44
  4. Step 4: Simplify right side
    31,153,141.44x = 748,139,703,607,393.62
  5. Step 5: Solve for x
    x = 748,139,703,607,393.62/31,153,141.44
  6. Step 6: Final answer
    x = 24,014,904.08

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1.5x scale

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.