Home / 10,439,018.20-15,658,527.30-9,620,205.40

Finding the Fourth Proportional to 10,439,018.20, 15,658,527.30 and 9,620,205.40

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Solution

The fourth proportional to 10,439,018.20, 15,658,527.30 and 9,620,205.40 is: 14,430,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,439,018.20 : 15,658,527.30 = 9,620,205.40 : x
  2. Step 2: Convert to fraction form
    10,439,018.20/15,658,527.30 = 9,620,205.40/x
  3. Step 3: Cross multiply
    10,439,018.20x = 15,658,527.30 × 9,620,205.40
  4. Step 4: Simplify right side
    10,439,018.20x = 150,638,248,887,507.44
  5. Step 5: Solve for x
    x = 150,638,248,887,507.44/10,439,018.20
  6. Step 6: Final answer
    x = 14,430,308.10

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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.