Home / 47,838,365.34-71,785,398.06-20,170,547.84

Finding the Fourth Proportional to 47,838,365.34, 71,785,398.06 and 20,170,547.84

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Solution

The fourth proportional to 47,838,365.34, 71,785,398.06 and 20,170,547.84 is: 30,267,564.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,838,365.34 : 71,785,398.06 = 20,170,547.84 : x
  2. Step 2: Convert to fraction form
    47,838,365.34/71,785,398.06 = 20,170,547.84/x
  3. Step 3: Cross multiply
    47,838,365.34x = 71,785,398.06 × 20,170,547.84
  4. Step 4: Simplify right side
    47,838,365.34x = 1,447,950,805,423,746.25
  5. Step 5: Solve for x
    x = 1,447,950,805,423,746.25/47,838,365.34
  6. Step 6: Final answer
    x = 30,267,564.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.