Home / 18,895,697.30-26,076,916.84-10,638,596.78

Finding the Fourth Proportional to 18,895,697.30, 26,076,916.84 and 10,638,596.78

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Solution

The fourth proportional to 18,895,697.30, 26,076,916.84 and 10,638,596.78 is: 14,681,744.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,895,697.30 : 26,076,916.84 = 10,638,596.78 : x
  2. Step 2: Convert to fraction form
    18,895,697.30/26,076,916.84 = 10,638,596.78/x
  3. Step 3: Cross multiply
    18,895,697.30x = 26,076,916.84 × 10,638,596.78
  4. Step 4: Simplify right side
    18,895,697.30x = 277,421,803,618,140.59
  5. Step 5: Solve for x
    x = 277,421,803,618,140.59/18,895,697.30
  6. Step 6: Final answer
    x = 14,681,744.70

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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.