Home / 30,727,360.48-42,385,018.08-19,710,401.44

Finding the Fourth Proportional to 30,727,360.48, 42,385,018.08 and 19,710,401.44

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Solution

The fourth proportional to 30,727,360.48, 42,385,018.08 and 19,710,401.44 is: 27,188,333.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,727,360.48 : 42,385,018.08 = 19,710,401.44 : x
  2. Step 2: Convert to fraction form
    30,727,360.48/42,385,018.08 = 19,710,401.44/x
  3. Step 3: Cross multiply
    30,727,360.48x = 42,385,018.08 × 19,710,401.44
  4. Step 4: Simplify right side
    30,727,360.48x = 835,425,721,398,458
  5. Step 5: Solve for x
    x = 835,425,721,398,458/30,727,360.48
  6. Step 6: Final answer
    x = 27,188,333.41

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1.5x scale

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.