Home / 6,445,721.60-9,658,084.80-4,745,110.40

Finding the Fourth Proportional to 6,445,721.60, 9,658,084.80 and 4,745,110.40

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Solution

The fourth proportional to 6,445,721.60, 9,658,084.80 and 4,745,110.40 is: 7,109,937.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445,721.60 : 9,658,084.80 = 4,745,110.40 : x
  2. Step 2: Convert to fraction form
    6,445,721.60/9,658,084.80 = 4,745,110.40/x
  3. Step 3: Cross multiply
    6,445,721.60x = 9,658,084.80 × 4,745,110.40
  4. Step 4: Simplify right side
    6,445,721.60x = 45,828,678,628,561.93
  5. Step 5: Solve for x
    x = 45,828,678,628,561.93/6,445,721.60
  6. Step 6: Final answer
    x = 7,109,937.64

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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.