Home / 10,342,437.60-15,476,914.80-9,009,242.40

Finding the Fourth Proportional to 10,342,437.60, 15,476,914.80 and 9,009,242.40

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Solution

The fourth proportional to 10,342,437.60, 15,476,914.80 and 9,009,242.40 is: 13,481,858.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342,437.60 : 15,476,914.80 = 9,009,242.40 : x
  2. Step 2: Convert to fraction form
    10,342,437.60/15,476,914.80 = 9,009,242.40/x
  3. Step 3: Cross multiply
    10,342,437.60x = 15,476,914.80 × 9,009,242.40
  4. Step 4: Simplify right side
    10,342,437.60x = 139,435,277,037,347.53
  5. Step 5: Solve for x
    x = 139,435,277,037,347.53/10,342,437.60
  6. Step 6: Final answer
    x = 13,481,858.19

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1.5x scale

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.