Home / 25,960,018.70-38,940,028.05-13,205,434.70

Finding the Fourth Proportional to 25,960,018.70, 38,940,028.05 and 13,205,434.70

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Solution

The fourth proportional to 25,960,018.70, 38,940,028.05 and 13,205,434.70 is: 19,808,152.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,960,018.70 : 38,940,028.05 = 13,205,434.70 : x
  2. Step 2: Convert to fraction form
    25,960,018.70/38,940,028.05 = 13,205,434.70/x
  3. Step 3: Cross multiply
    25,960,018.70x = 38,940,028.05 × 13,205,434.70
  4. Step 4: Simplify right side
    25,960,018.70x = 514,219,997,630,443.25
  5. Step 5: Solve for x
    x = 514,219,997,630,443.25/25,960,018.70
  6. Step 6: Final answer
    x = 19,808,152.05

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1.5x scale

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.