Home / 12,562,437.60-18,843,656.40-10,507,532.40

Finding the Fourth Proportional to 12,562,437.60, 18,843,656.40 and 10,507,532.40

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Solution

The fourth proportional to 12,562,437.60, 18,843,656.40 and 10,507,532.40 is: 15,761,298.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562,437.60 : 18,843,656.40 = 10,507,532.40 : x
  2. Step 2: Convert to fraction form
    12,562,437.60/18,843,656.40 = 10,507,532.40/x
  3. Step 3: Cross multiply
    12,562,437.60x = 18,843,656.40 × 10,507,532.40
  4. Step 4: Simplify right side
    12,562,437.60x = 198,000,330,157,467.34
  5. Step 5: Solve for x
    x = 198,000,330,157,467.34/12,562,437.60
  6. Step 6: Final answer
    x = 15,761,298.60

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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.