Home / 28,090,788.32-42,136,182.48-7,896,030.32

Finding the Fourth Proportional to 28,090,788.32, 42,136,182.48 and 7,896,030.32

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Solution

The fourth proportional to 28,090,788.32, 42,136,182.48 and 7,896,030.32 is: 11,844,045.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,090,788.32 : 42,136,182.48 = 7,896,030.32 : x
  2. Step 2: Convert to fraction form
    28,090,788.32/42,136,182.48 = 7,896,030.32/x
  3. Step 3: Cross multiply
    28,090,788.32x = 42,136,182.48 × 7,896,030.32
  4. Step 4: Simplify right side
    28,090,788.32x = 332,708,574,431,132.75
  5. Step 5: Solve for x
    x = 332,708,574,431,132.75/28,090,788.32
  6. Step 6: Final answer
    x = 11,844,045.48

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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.