Home / 30,108,027.80-45,162,041.70-9,910,645.40

Finding the Fourth Proportional to 30,108,027.80, 45,162,041.70 and 9,910,645.40

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Solution

The fourth proportional to 30,108,027.80, 45,162,041.70 and 9,910,645.40 is: 14,865,968.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,108,027.80 : 45,162,041.70 = 9,910,645.40 : x
  2. Step 2: Convert to fraction form
    30,108,027.80/45,162,041.70 = 9,910,645.40/x
  3. Step 3: Cross multiply
    30,108,027.80x = 45,162,041.70 × 9,910,645.40
  4. Step 4: Simplify right side
    30,108,027.80x = 447,584,980,828,713.25
  5. Step 5: Solve for x
    x = 447,584,980,828,713.25/30,108,027.80
  6. Step 6: Final answer
    x = 14,865,968.10

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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.