Home / 13,179,637.70-19,748,461.35-9,778,415.30

Finding the Fourth Proportional to 13,179,637.70, 19,748,461.35 and 9,778,415.30

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Solution

The fourth proportional to 13,179,637.70, 19,748,461.35 and 9,778,415.30 is: 14,652,045.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,179,637.70 : 19,748,461.35 = 9,778,415.30 : x
  2. Step 2: Convert to fraction form
    13,179,637.70/19,748,461.35 = 9,778,415.30/x
  3. Step 3: Cross multiply
    13,179,637.70x = 19,748,461.35 × 9,778,415.30
  4. Step 4: Simplify right side
    13,179,637.70x = 193,108,656,616,298.69
  5. Step 5: Solve for x
    x = 193,108,656,616,298.69/13,179,637.70
  6. Step 6: Final answer
    x = 14,652,045.91

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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.