Home / 21,842,132.40-32,810,437.80-15,464,840.40

Finding the Fourth Proportional to 21,842,132.40, 32,810,437.80 and 15,464,840.40

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Solution

The fourth proportional to 21,842,132.40, 32,810,437.80 and 15,464,840.40 is: 23,230,707.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,842,132.40 : 32,810,437.80 = 15,464,840.40 : x
  2. Step 2: Convert to fraction form
    21,842,132.40/32,810,437.80 = 15,464,840.40/x
  3. Step 3: Cross multiply
    21,842,132.40x = 32,810,437.80 × 15,464,840.40
  4. Step 4: Simplify right side
    21,842,132.40x = 507,408,184,031,127.12
  5. Step 5: Solve for x
    x = 507,408,184,031,127.12/21,842,132.40
  6. Step 6: Final answer
    x = 23,230,707.27

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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.