Home / 15,133,503.47-20,884,038.83-8,257,867.07

Finding the Fourth Proportional to 15,133,503.47, 20,884,038.83 and 8,257,867.07

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Solution

The fourth proportional to 15,133,503.47, 20,884,038.83 and 8,257,867.07 is: 11,395,749.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,133,503.47 : 20,884,038.83 = 8,257,867.07 : x
  2. Step 2: Convert to fraction form
    15,133,503.47/20,884,038.83 = 8,257,867.07/x
  3. Step 3: Cross multiply
    15,133,503.47x = 20,884,038.83 × 8,257,867.07
  4. Step 4: Simplify right side
    15,133,503.47x = 172,457,616,553,779.09
  5. Step 5: Solve for x
    x = 172,457,616,553,779.09/15,133,503.47
  6. Step 6: Final answer
    x = 11,395,749.63

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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.