Home / 21,207,000.40-31,819,831.80-9,841,598.80

Finding the Fourth Proportional to 21,207,000.40, 31,819,831.80 and 9,841,598.80

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Solution

The fourth proportional to 21,207,000.40, 31,819,831.80 and 9,841,598.80 is: 14,766,728.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,207,000.40 : 31,819,831.80 = 9,841,598.80 : x
  2. Step 2: Convert to fraction form
    21,207,000.40/31,819,831.80 = 9,841,598.80/x
  3. Step 3: Cross multiply
    21,207,000.40x = 31,819,831.80 × 9,841,598.80
  4. Step 4: Simplify right side
    21,207,000.40x = 313,158,018,459,081.88
  5. Step 5: Solve for x
    x = 313,158,018,459,081.88/21,207,000.40
  6. Step 6: Final answer
    x = 14,766,728.56

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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.