Home / 19,211,703.42-26,512,360.02-10,509,689.28

Finding the Fourth Proportional to 19,211,703.42, 26,512,360.02 and 10,509,689.28

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Solution

The fourth proportional to 19,211,703.42, 26,512,360.02 and 10,509,689.28 is: 14,503,485.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211,703.42 : 26,512,360.02 = 10,509,689.28 : x
  2. Step 2: Convert to fraction form
    19,211,703.42/26,512,360.02 = 10,509,689.28/x
  3. Step 3: Cross multiply
    19,211,703.42x = 26,512,360.02 × 10,509,689.28
  4. Step 4: Simplify right side
    19,211,703.42x = 278,636,665,889,694.56
  5. Step 5: Solve for x
    x = 278,636,665,889,694.56/19,211,703.42
  6. Step 6: Final answer
    x = 14,503,485.70

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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.