Home / 11,688,495.98-16,130,146.32-6,531,857.51

Finding the Fourth Proportional to 11,688,495.98, 16,130,146.32 and 6,531,857.51

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Solution

The fourth proportional to 11,688,495.98, 16,130,146.32 and 6,531,857.51 is: 9,013,975.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688,495.98 : 16,130,146.32 = 6,531,857.51 : x
  2. Step 2: Convert to fraction form
    11,688,495.98/16,130,146.32 = 6,531,857.51/x
  3. Step 3: Cross multiply
    11,688,495.98x = 16,130,146.32 × 6,531,857.51
  4. Step 4: Simplify right side
    11,688,495.98x = 105,359,817,297,040.12
  5. Step 5: Solve for x
    x = 105,359,817,297,040.12/11,688,495.98
  6. Step 6: Final answer
    x = 9,013,975.58

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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.