Home / 13,108,113.93-19,657,920-5,020,659.21

Finding the Fourth Proportional to 13,108,113.93, 19,657,920 and 5,020,659.21

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Solution

The fourth proportional to 13,108,113.93, 19,657,920 and 5,020,659.21 is: 7,529,360.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,108,113.93 : 19,657,920 = 5,020,659.21 : x
  2. Step 2: Convert to fraction form
    13,108,113.93/19,657,920 = 5,020,659.21/x
  3. Step 3: Cross multiply
    13,108,113.93x = 19,657,920 × 5,020,659.21
  4. Step 4: Simplify right side
    13,108,113.93x = 98,695,717,097,443.20
  5. Step 5: Solve for x
    x = 98,695,717,097,443.20/13,108,113.93
  6. Step 6: Final answer
    x = 7,529,360.64

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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.