Home / 30,355,090.54-45,532,643.57-8,498,689.80

Finding the Fourth Proportional to 30,355,090.54, 45,532,643.57 and 8,498,689.80

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Solution

The fourth proportional to 30,355,090.54, 45,532,643.57 and 8,498,689.80 is: 12,748,036.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,355,090.54 : 45,532,643.57 = 8,498,689.80 : x
  2. Step 2: Convert to fraction form
    30,355,090.54/45,532,643.57 = 8,498,689.80/x
  3. Step 3: Cross multiply
    30,355,090.54x = 45,532,643.57 × 8,498,689.80
  4. Step 4: Simplify right side
    30,355,090.54x = 386,967,813,294,040.81
  5. Step 5: Solve for x
    x = 386,967,813,294,040.81/30,355,090.54
  6. Step 6: Final answer
    x = 12,748,036.87

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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.