Home / 37,972,983.51-52,402,968.84-20,569,328.72

Finding the Fourth Proportional to 37,972,983.51, 52,402,968.84 and 20,569,328.72

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Solution

The fourth proportional to 37,972,983.51, 52,402,968.84 and 20,569,328.72 is: 28,385,809.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,972,983.51 : 52,402,968.84 = 20,569,328.72 : x
  2. Step 2: Convert to fraction form
    37,972,983.51/52,402,968.84 = 20,569,328.72/x
  3. Step 3: Cross multiply
    37,972,983.51x = 52,402,968.84 × 20,569,328.72
  4. Step 4: Simplify right side
    37,972,983.51x = 1,077,893,891,973,877.12
  5. Step 5: Solve for x
    x = 1,077,893,891,973,877.12/37,972,983.51
  6. Step 6: Final answer
    x = 28,385,809.92

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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.