Home / 21,976,985.40-32,965,478.10-14,408,345.40

Finding the Fourth Proportional to 21,976,985.40, 32,965,478.10 and 14,408,345.40

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Solution

The fourth proportional to 21,976,985.40, 32,965,478.10 and 14,408,345.40 is: 21,612,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,976,985.40 : 32,965,478.10 = 14,408,345.40 : x
  2. Step 2: Convert to fraction form
    21,976,985.40/32,965,478.10 = 14,408,345.40/x
  3. Step 3: Cross multiply
    21,976,985.40x = 32,965,478.10 × 14,408,345.40
  4. Step 4: Simplify right side
    21,976,985.40x = 474,977,994,740,935.75
  5. Step 5: Solve for x
    x = 474,977,994,740,935.75/21,976,985.40
  6. Step 6: Final answer
    x = 21,612,518.10

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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.