Home / 18,895,700.68-26,076,921.51-10,638,600.18

Finding the Fourth Proportional to 18,895,700.68, 26,076,921.51 and 10,638,600.18

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Solution

The fourth proportional to 18,895,700.68, 26,076,921.51 and 10,638,600.18 is: 14,681,749.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,895,700.68 : 26,076,921.51 = 10,638,600.18 : x
  2. Step 2: Convert to fraction form
    18,895,700.68/26,076,921.51 = 10,638,600.18/x
  3. Step 3: Cross multiply
    18,895,700.68x = 26,076,921.51 × 10,638,600.18
  4. Step 4: Simplify right side
    18,895,700.68x = 277,421,941,870,131.88
  5. Step 5: Solve for x
    x = 277,421,941,870,131.88/18,895,700.68
  6. Step 6: Final answer
    x = 14,681,749.39

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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.