Home / 30,941,820.95-42,701,041.53-17,190,785.07

Finding the Fourth Proportional to 30,941,820.95, 42,701,041.53 and 17,190,785.07

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Solution

The fourth proportional to 30,941,820.95, 42,701,041.53 and 17,190,785.07 is: 23,724,021.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,941,820.95 : 42,701,041.53 = 17,190,785.07 : x
  2. Step 2: Convert to fraction form
    30,941,820.95/42,701,041.53 = 17,190,785.07/x
  3. Step 3: Cross multiply
    30,941,820.95x = 42,701,041.53 × 17,190,785.07
  4. Step 4: Simplify right side
    30,941,820.95x = 734,064,427,207,374
  5. Step 5: Solve for x
    x = 734,064,427,207,374/30,941,820.95
  6. Step 6: Final answer
    x = 23,724,021.56

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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.