Home / 21,259,931.60-31,889,897.40-14,765,416.40

Finding the Fourth Proportional to 21,259,931.60, 31,889,897.40 and 14,765,416.40

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Solution

The fourth proportional to 21,259,931.60, 31,889,897.40 and 14,765,416.40 is: 22,148,124.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,259,931.60 : 31,889,897.40 = 14,765,416.40 : x
  2. Step 2: Convert to fraction form
    21,259,931.60/31,889,897.40 = 14,765,416.40/x
  3. Step 3: Cross multiply
    21,259,931.60x = 31,889,897.40 × 14,765,416.40
  4. Step 4: Simplify right side
    21,259,931.60x = 470,867,614,064,277.38
  5. Step 5: Solve for x
    x = 470,867,614,064,277.38/21,259,931.60
  6. Step 6: Final answer
    x = 22,148,124.60

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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.