Home / 25,920,801.40-38,881,202.10-8,875,809.40

Finding the Fourth Proportional to 25,920,801.40, 38,881,202.10 and 8,875,809.40

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Solution

The fourth proportional to 25,920,801.40, 38,881,202.10 and 8,875,809.40 is: 13,313,714.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,920,801.40 : 38,881,202.10 = 8,875,809.40 : x
  2. Step 2: Convert to fraction form
    25,920,801.40/38,881,202.10 = 8,875,809.40/x
  3. Step 3: Cross multiply
    25,920,801.40x = 38,881,202.10 × 8,875,809.40
  4. Step 4: Simplify right side
    25,920,801.40x = 345,102,139,082,479.75
  5. Step 5: Solve for x
    x = 345,102,139,082,479.75/25,920,801.40
  6. Step 6: Final answer
    x = 13,313,714.10

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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.