Home / 10,572,303.60-15,858,455.40-9,942,447.60

Finding the Fourth Proportional to 10,572,303.60, 15,858,455.40 and 9,942,447.60

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Solution

The fourth proportional to 10,572,303.60, 15,858,455.40 and 9,942,447.60 is: 14,913,671.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,572,303.60 : 15,858,455.40 = 9,942,447.60 : x
  2. Step 2: Convert to fraction form
    10,572,303.60/15,858,455.40 = 9,942,447.60/x
  3. Step 3: Cross multiply
    10,572,303.60x = 15,858,455.40 × 9,942,447.60
  4. Step 4: Simplify right side
    10,572,303.60x = 157,671,861,831,437.03
  5. Step 5: Solve for x
    x = 157,671,861,831,437.03/10,572,303.60
  6. Step 6: Final answer
    x = 14,913,671.40

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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.