Home / 14,258,621.40-21,385,307.70-8,857,606.20

Finding the Fourth Proportional to 14,258,621.40, 21,385,307.70 and 8,857,606.20

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Solution

The fourth proportional to 14,258,621.40, 21,385,307.70 and 8,857,606.20 is: 13,284,779.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,258,621.40 : 21,385,307.70 = 8,857,606.20 : x
  2. Step 2: Convert to fraction form
    14,258,621.40/21,385,307.70 = 8,857,606.20/x
  3. Step 3: Cross multiply
    14,258,621.40x = 21,385,307.70 × 8,857,606.20
  4. Step 4: Simplify right side
    14,258,621.40x = 189,422,634,072,427.72
  5. Step 5: Solve for x
    x = 189,422,634,072,427.72/14,258,621.40
  6. Step 6: Final answer
    x = 13,284,779.00

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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.