Home / 15,571,148-21,488,837.08-8,955,738.28

Finding the Fourth Proportional to 15,571,148, 21,488,837.08 and 8,955,738.28

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Solution

The fourth proportional to 15,571,148, 21,488,837.08 and 8,955,738.28 is: 12,359,294.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,571,148 : 21,488,837.08 = 8,955,738.28 : x
  2. Step 2: Convert to fraction form
    15,571,148/21,488,837.08 = 8,955,738.28/x
  3. Step 3: Cross multiply
    15,571,148x = 21,488,837.08 × 8,955,738.28
  4. Step 4: Simplify right side
    15,571,148x = 192,448,400,830,039.41
  5. Step 5: Solve for x
    x = 192,448,400,830,039.41/15,571,148
  6. Step 6: Final answer
    x = 12,359,294.31

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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.