Home / 9,730,980.63-13,428,211.05-5,379,812.91

Finding the Fourth Proportional to 9,730,980.63, 13,428,211.05 and 5,379,812.91

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Solution

The fourth proportional to 9,730,980.63, 13,428,211.05 and 5,379,812.91 is: 7,423,842.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,730,980.63 : 13,428,211.05 = 5,379,812.91 : x
  2. Step 2: Convert to fraction form
    9,730,980.63/13,428,211.05 = 5,379,812.91/x
  3. Step 3: Cross multiply
    9,730,980.63x = 13,428,211.05 × 5,379,812.91
  4. Step 4: Simplify right side
    9,730,980.63x = 72,241,263,164,994.66
  5. Step 5: Solve for x
    x = 72,241,263,164,994.66/9,730,980.63
  6. Step 6: Final answer
    x = 7,423,842.05

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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.