Home / 30,677,531.44-42,350,332.80-19,078,831.48

Finding the Fourth Proportional to 30,677,531.44, 42,350,332.80 and 19,078,831.48

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Solution

The fourth proportional to 30,677,531.44, 42,350,332.80 and 19,078,831.48 is: 26,338,327.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,677,531.44 : 42,350,332.80 = 19,078,831.48 : x
  2. Step 2: Convert to fraction form
    30,677,531.44/42,350,332.80 = 19,078,831.48/x
  3. Step 3: Cross multiply
    30,677,531.44x = 42,350,332.80 × 19,078,831.48
  4. Step 4: Simplify right side
    30,677,531.44x = 807,994,862,613,116.50
  5. Step 5: Solve for x
    x = 807,994,862,613,116.50/30,677,531.44
  6. Step 6: Final answer
    x = 26,338,327.26

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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.