Home / 7,018,386.40-10,509,864.90-4,609,187.20

Finding the Fourth Proportional to 7,018,386.40, 10,509,864.90 and 4,609,187.20

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Solution

The fourth proportional to 7,018,386.40, 10,509,864.90 and 4,609,187.20 is: 6,902,147.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018,386.40 : 10,509,864.90 = 4,609,187.20 : x
  2. Step 2: Convert to fraction form
    7,018,386.40/10,509,864.90 = 4,609,187.20/x
  3. Step 3: Cross multiply
    7,018,386.40x = 10,509,864.90 × 4,609,187.20
  4. Step 4: Simplify right side
    7,018,386.40x = 48,441,934,770,809.28
  5. Step 5: Solve for x
    x = 48,441,934,770,809.28/7,018,386.40
  6. Step 6: Final answer
    x = 6,902,147.02

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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.