Home / 28,039,587.46-42,074,199.61-19,894,866.21

Finding the Fourth Proportional to 28,039,587.46, 42,074,199.61 and 19,894,866.21

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Solution

The fourth proportional to 28,039,587.46, 42,074,199.61 and 19,894,866.21 is: 29,852,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,039,587.46 : 42,074,199.61 = 19,894,866.21 : x
  2. Step 2: Convert to fraction form
    28,039,587.46/42,074,199.61 = 19,894,866.21/x
  3. Step 3: Cross multiply
    28,039,587.46x = 42,074,199.61 × 19,894,866.21
  4. Step 4: Simplify right side
    28,039,587.46x = 837,060,572,133,784.25
  5. Step 5: Solve for x
    x = 837,060,572,133,784.25/28,039,587.46
  6. Step 6: Final answer
    x = 29,852,813.40

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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.