Home / 28,865,328.48-39,834,200.45-15,812,300.99

Finding the Fourth Proportional to 28,865,328.48, 39,834,200.45 and 15,812,300.99

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Solution

The fourth proportional to 28,865,328.48, 39,834,200.45 and 15,812,300.99 is: 21,821,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,865,328.48 : 39,834,200.45 = 15,812,300.99 : x
  2. Step 2: Convert to fraction form
    28,865,328.48/39,834,200.45 = 15,812,300.99/x
  3. Step 3: Cross multiply
    28,865,328.48x = 39,834,200.45 × 15,812,300.99
  4. Step 4: Simplify right side
    28,865,328.48x = 629,870,367,350,509.75
  5. Step 5: Solve for x
    x = 629,870,367,350,509.75/28,865,328.48
  6. Step 6: Final answer
    x = 21,821,001.20

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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.