Home / 8,421,030.36-11,621,013.59-4,553,542.31

Finding the Fourth Proportional to 8,421,030.36, 11,621,013.59 and 4,553,542.31

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Solution

The fourth proportional to 8,421,030.36, 11,621,013.59 and 4,553,542.31 is: 6,283,883.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,421,030.36 : 11,621,013.59 = 4,553,542.31 : x
  2. Step 2: Convert to fraction form
    8,421,030.36/11,621,013.59 = 4,553,542.31/x
  3. Step 3: Cross multiply
    8,421,030.36x = 11,621,013.59 × 4,553,542.31
  4. Step 4: Simplify right side
    8,421,030.36x = 52,916,777,020,428.77
  5. Step 5: Solve for x
    x = 52,916,777,020,428.77/8,421,030.36
  6. Step 6: Final answer
    x = 6,283,883.89

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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.