Home / 10,709,828.63-14,779,820.32-5,815,257.02

Finding the Fourth Proportional to 10,709,828.63, 14,779,820.32 and 5,815,257.02

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Solution

The fourth proportional to 10,709,828.63, 14,779,820.32 and 5,815,257.02 is: 8,025,194.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,709,828.63 : 14,779,820.32 = 5,815,257.02 : x
  2. Step 2: Convert to fraction form
    10,709,828.63/14,779,820.32 = 5,815,257.02/x
  3. Step 3: Cross multiply
    10,709,828.63x = 14,779,820.32 × 5,815,257.02
  4. Step 4: Simplify right side
    10,709,828.63x = 85,948,453,841,142.36
  5. Step 5: Solve for x
    x = 85,948,453,841,142.36/10,709,828.63
  6. Step 6: Final answer
    x = 8,025,194.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.