Home / 10,249,968.60-15,380,857.80-3,864,803.40

Finding the Fourth Proportional to 10,249,968.60, 15,380,857.80 and 3,864,803.40

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Solution

The fourth proportional to 10,249,968.60, 15,380,857.80 and 3,864,803.40 is: 5,799,431.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,249,968.60 : 15,380,857.80 = 3,864,803.40 : x
  2. Step 2: Convert to fraction form
    10,249,968.60/15,380,857.80 = 3,864,803.40/x
  3. Step 3: Cross multiply
    10,249,968.60x = 15,380,857.80 × 3,864,803.40
  4. Step 4: Simplify right side
    10,249,968.60x = 59,443,991,520,356.52
  5. Step 5: Solve for x
    x = 59,443,991,520,356.52/10,249,968.60
  6. Step 6: Final answer
    x = 5,799,431.57

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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.