Home / 12,935,108.60-19,402,662.90-11,890,014.20

Finding the Fourth Proportional to 12,935,108.60, 19,402,662.90 and 11,890,014.20

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Solution

The fourth proportional to 12,935,108.60, 19,402,662.90 and 11,890,014.20 is: 17,835,021.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,935,108.60 : 19,402,662.90 = 11,890,014.20 : x
  2. Step 2: Convert to fraction form
    12,935,108.60/19,402,662.90 = 11,890,014.20/x
  3. Step 3: Cross multiply
    12,935,108.60x = 19,402,662.90 × 11,890,014.20
  4. Step 4: Simplify right side
    12,935,108.60x = 230,697,937,398,813.16
  5. Step 5: Solve for x
    x = 230,697,937,398,813.16/12,935,108.60
  6. Step 6: Final answer
    x = 17,835,021.30

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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.