Home / 28,937,752.95-39,933,941.40-15,885,233.94

Finding the Fourth Proportional to 28,937,752.95, 39,933,941.40 and 15,885,233.94

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Solution

The fourth proportional to 28,937,752.95, 39,933,941.40 and 15,885,233.94 is: 21,921,536.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,937,752.95 : 39,933,941.40 = 15,885,233.94 : x
  2. Step 2: Convert to fraction form
    28,937,752.95/39,933,941.40 = 15,885,233.94/x
  3. Step 3: Cross multiply
    28,937,752.95x = 39,933,941.40 × 15,885,233.94
  4. Step 4: Simplify right side
    28,937,752.95x = 634,360,001,285,251.12
  5. Step 5: Solve for x
    x = 634,360,001,285,251.12/28,937,752.95
  6. Step 6: Final answer
    x = 21,921,536.28

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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.