Home / 10,556,172.61-15,836,646.53-5,698,374.84

Finding the Fourth Proportional to 10,556,172.61, 15,836,646.53 and 5,698,374.84

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Solution

The fourth proportional to 10,556,172.61, 15,836,646.53 and 5,698,374.84 is: 8,548,851.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,556,172.61 : 15,836,646.53 = 5,698,374.84 : x
  2. Step 2: Convert to fraction form
    10,556,172.61/15,836,646.53 = 5,698,374.84/x
  3. Step 3: Cross multiply
    10,556,172.61x = 15,836,646.53 × 5,698,374.84
  4. Step 4: Simplify right side
    10,556,172.61x = 90,243,148,170,372.95
  5. Step 5: Solve for x
    x = 90,243,148,170,372.95/10,556,172.61
  6. Step 6: Final answer
    x = 8,548,851.13

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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.