Home / 19,688,435.80-29,532,653.70-17,893,346.20

Finding the Fourth Proportional to 19,688,435.80, 29,532,653.70 and 17,893,346.20

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Solution

The fourth proportional to 19,688,435.80, 29,532,653.70 and 17,893,346.20 is: 26,840,019.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688,435.80 : 29,532,653.70 = 17,893,346.20 : x
  2. Step 2: Convert to fraction form
    19,688,435.80/29,532,653.70 = 17,893,346.20/x
  3. Step 3: Cross multiply
    19,688,435.80x = 29,532,653.70 × 17,893,346.20
  4. Step 4: Simplify right side
    19,688,435.80x = 528,437,996,858,810.88
  5. Step 5: Solve for x
    x = 528,437,996,858,810.88/19,688,435.80
  6. Step 6: Final answer
    x = 26,840,019.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.