Home / 30,986,160.51-42,772,412.16-26,617,715.49

Finding the Fourth Proportional to 30,986,160.51, 42,772,412.16 and 26,617,715.49

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Solution

The fourth proportional to 30,986,160.51, 42,772,412.16 and 26,617,715.49 is: 36,742,335.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,986,160.51 : 42,772,412.16 = 26,617,715.49 : x
  2. Step 2: Convert to fraction form
    30,986,160.51/42,772,412.16 = 26,617,715.49/x
  3. Step 3: Cross multiply
    30,986,160.51x = 42,772,412.16 × 26,617,715.49
  4. Step 4: Simplify right side
    30,986,160.51x = 1,138,503,897,695,896.25
  5. Step 5: Solve for x
    x = 1,138,503,897,695,896.25/30,986,160.51
  6. Step 6: Final answer
    x = 36,742,335.25

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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.