Home / 21,001,501.20-31,466,822.40-10,195,534.20

Finding the Fourth Proportional to 21,001,501.20, 31,466,822.40 and 10,195,534.20

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Solution

The fourth proportional to 21,001,501.20, 31,466,822.40 and 10,195,534.20 is: 15,276,101.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,001,501.20 : 31,466,822.40 = 10,195,534.20 : x
  2. Step 2: Convert to fraction form
    21,001,501.20/31,466,822.40 = 10,195,534.20/x
  3. Step 3: Cross multiply
    21,001,501.20x = 31,466,822.40 × 10,195,534.20
  4. Step 4: Simplify right side
    21,001,501.20x = 320,821,063,944,526.06
  5. Step 5: Solve for x
    x = 320,821,063,944,526.06/21,001,501.20
  6. Step 6: Final answer
    x = 15,276,101.50

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1.5x scale

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.