Home / 30,871,112.51-42,602,196.16-16,932,581.07

Finding the Fourth Proportional to 30,871,112.51, 42,602,196.16 and 16,932,581.07

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Solution

The fourth proportional to 30,871,112.51, 42,602,196.16 and 16,932,581.07 is: 23,366,995.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,871,112.51 : 42,602,196.16 = 16,932,581.07 : x
  2. Step 2: Convert to fraction form
    30,871,112.51/42,602,196.16 = 16,932,581.07/x
  3. Step 3: Cross multiply
    30,871,112.51x = 42,602,196.16 × 16,932,581.07
  4. Step 4: Simplify right side
    30,871,112.51x = 721,365,140,037,153
  5. Step 5: Solve for x
    x = 721,365,140,037,153/30,871,112.51
  6. Step 6: Final answer
    x = 23,366,995.27

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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.