Home / 15,216,248-21,000,570.36-9,416,897.48

Finding the Fourth Proportional to 15,216,248, 21,000,570.36 and 9,416,897.48

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Solution

The fourth proportional to 15,216,248, 21,000,570.36 and 9,416,897.48 is: 12,996,647.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,216,248 : 21,000,570.36 = 9,416,897.48 : x
  2. Step 2: Convert to fraction form
    15,216,248/21,000,570.36 = 9,416,897.48/x
  3. Step 3: Cross multiply
    15,216,248x = 21,000,570.36 × 9,416,897.48
  4. Step 4: Simplify right side
    15,216,248x = 197,760,218,101,646.69
  5. Step 5: Solve for x
    x = 197,760,218,101,646.69/15,216,248
  6. Step 6: Final answer
    x = 12,996,647.93

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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.