Home / 52,002,703.40-78,013,386.30-21,713,628.20

Finding the Fourth Proportional to 52,002,703.40, 78,013,386.30 and 21,713,628.20

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Solution

The fourth proportional to 52,002,703.40, 78,013,386.30 and 21,713,628.20 is: 32,574,338.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,002,703.40 : 78,013,386.30 = 21,713,628.20 : x
  2. Step 2: Convert to fraction form
    52,002,703.40/78,013,386.30 = 21,713,628.20/x
  3. Step 3: Cross multiply
    52,002,703.40x = 78,013,386.30 × 21,713,628.20
  4. Step 4: Simplify right side
    52,002,703.40x = 1,693,953,664,741,173.50
  5. Step 5: Solve for x
    x = 1,693,953,664,741,173.50/52,002,703.40
  6. Step 6: Final answer
    x = 32,574,338.52

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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.