Home / 28,186,515.75-38,896,730.17-16,584,830.67

Finding the Fourth Proportional to 28,186,515.75, 38,896,730.17 and 16,584,830.67

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Solution

The fourth proportional to 28,186,515.75, 38,896,730.17 and 16,584,830.67 is: 22,886,677.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,186,515.75 : 38,896,730.17 = 16,584,830.67 : x
  2. Step 2: Convert to fraction form
    28,186,515.75/38,896,730.17 = 16,584,830.67/x
  3. Step 3: Cross multiply
    28,186,515.75x = 38,896,730.17 × 16,584,830.67
  4. Step 4: Simplify right side
    28,186,515.75x = 645,095,683,444,668.12
  5. Step 5: Solve for x
    x = 645,095,683,444,668.12/28,186,515.75
  6. Step 6: Final answer
    x = 22,886,677.06

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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.