Home / 30,346,507.60-45,525,666.30-8,781,812.80

Finding the Fourth Proportional to 30,346,507.60, 45,525,666.30 and 8,781,812.80

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Solution

The fourth proportional to 30,346,507.60, 45,525,666.30 and 8,781,812.80 is: 13,174,427.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,346,507.60 : 45,525,666.30 = 8,781,812.80 : x
  2. Step 2: Convert to fraction form
    30,346,507.60/45,525,666.30 = 8,781,812.80/x
  3. Step 3: Cross multiply
    30,346,507.60x = 45,525,666.30 × 8,781,812.80
  4. Step 4: Simplify right side
    30,346,507.60x = 399,797,879,041,868.62
  5. Step 5: Solve for x
    x = 399,797,879,041,868.62/30,346,507.60
  6. Step 6: Final answer
    x = 13,174,427.99

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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.