Home / 15,799,399,678.99-21,805,532,287.01-12,437,606,624.10

Finding the Fourth Proportional to 15,799,399,678.99, 21,805,532,287.01 and 12,437,606,624.10

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Solution

The fourth proportional to 15,799,399,678.99, 21,805,532,287.01 and 12,437,606,624.10 is: 17,165,755,555.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,799,399,678.99 : 21,805,532,287.01 = 12,437,606,624.10 : x
  2. Step 2: Convert to fraction form
    15,799,399,678.99/21,805,532,287.01 = 12,437,606,624.10/x
  3. Step 3: Cross multiply
    15,799,399,678.99x = 21,805,532,287.01 × 12,437,606,624.10
  4. Step 4: Simplify right side
    15,799,399,678.99x = 271,208,632,814,842,347,520
  5. Step 5: Solve for x
    x = 271,208,632,814,842,347,520/15,799,399,678.99
  6. Step 6: Final answer
    x = 17,165,755,555.60

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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.