Home / 28,688,303.46-39,588,706.04-15,635,282.04

Finding the Fourth Proportional to 28,688,303.46, 39,588,706.04 and 15,635,282.04

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Solution

The fourth proportional to 28,688,303.46, 39,588,706.04 and 15,635,282.04 is: 21,576,060.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,688,303.46 : 39,588,706.04 = 15,635,282.04 : x
  2. Step 2: Convert to fraction form
    28,688,303.46/39,588,706.04 = 15,635,282.04/x
  3. Step 3: Cross multiply
    28,688,303.46x = 39,588,706.04 × 15,635,282.04
  4. Step 4: Simplify right side
    28,688,303.46x = 618,980,584,534,051.50
  5. Step 5: Solve for x
    x = 618,980,584,534,051.50/28,688,303.46
  6. Step 6: Final answer
    x = 21,576,060.97

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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.