Home / 28,921,030.10-39,911,017.20-16,531,389.56

Finding the Fourth Proportional to 28,921,030.10, 39,911,017.20 and 16,531,389.56

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Solution

The fourth proportional to 28,921,030.10, 39,911,017.20 and 16,531,389.56 is: 22,813,315.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,921,030.10 : 39,911,017.20 = 16,531,389.56 : x
  2. Step 2: Convert to fraction form
    28,921,030.10/39,911,017.20 = 16,531,389.56/x
  3. Step 3: Cross multiply
    28,921,030.10x = 39,911,017.20 × 16,531,389.56
  4. Step 4: Simplify right side
    28,921,030.10x = 659,784,573,069,060.50
  5. Step 5: Solve for x
    x = 659,784,573,069,060.50/28,921,030.10
  6. Step 6: Final answer
    x = 22,813,315.11

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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.