Home / 28,430,823.68-42,646,360.44-9,000,145.13

Finding the Fourth Proportional to 28,430,823.68, 42,646,360.44 and 9,000,145.13

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Solution

The fourth proportional to 28,430,823.68, 42,646,360.44 and 9,000,145.13 is: 13,500,257.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,430,823.68 : 42,646,360.44 = 9,000,145.13 : x
  2. Step 2: Convert to fraction form
    28,430,823.68/42,646,360.44 = 9,000,145.13/x
  3. Step 3: Cross multiply
    28,430,823.68x = 42,646,360.44 × 9,000,145.13
  4. Step 4: Simplify right side
    28,430,823.68x = 383,823,433,013,058.81
  5. Step 5: Solve for x
    x = 383,823,433,013,058.81/28,430,823.68
  6. Step 6: Final answer
    x = 13,500,257.23

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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.