Home / 28,611,241.68-39,484,551.78-16,390,460.64

Finding the Fourth Proportional to 28,611,241.68, 39,484,551.78 and 16,390,460.64

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Solution

The fourth proportional to 28,611,241.68, 39,484,551.78 and 16,390,460.64 is: 22,619,430.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,611,241.68 : 39,484,551.78 = 16,390,460.64 : x
  2. Step 2: Convert to fraction form
    28,611,241.68/39,484,551.78 = 16,390,460.64/x
  3. Step 3: Cross multiply
    28,611,241.68x = 39,484,551.78 × 16,390,460.64
  4. Step 4: Simplify right side
    28,611,241.68x = 647,169,991,838,132
  5. Step 5: Solve for x
    x = 647,169,991,838,132/28,611,241.68
  6. Step 6: Final answer
    x = 22,619,430.47

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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.