Home / 28,274,927.16-39,019,555.95-15,885,543.00

Finding the Fourth Proportional to 28,274,927.16, 39,019,555.95 and 15,885,543.00

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Solution

The fourth proportional to 28,274,927.16, 39,019,555.95 and 15,885,543.00 is: 21,922,137.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,274,927.16 : 39,019,555.95 = 15,885,543.00 : x
  2. Step 2: Convert to fraction form
    28,274,927.16/39,019,555.95 = 15,885,543.00/x
  3. Step 3: Cross multiply
    28,274,927.16x = 39,019,555.95 × 15,885,543.00
  4. Step 4: Simplify right side
    28,274,927.16x = 619,846,833,971,383.38
  5. Step 5: Solve for x
    x = 619,846,833,971,383.38/28,274,927.16
  6. Step 6: Final answer
    x = 21,922,137.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.