Home / 13,544,848.70-18,686,570.01-7,740,516.50

Finding the Fourth Proportional to 13,544,848.70, 18,686,570.01 and 7,740,516.50

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Solution

The fourth proportional to 13,544,848.70, 18,686,570.01 and 7,740,516.50 is: 10,678,871.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,544,848.70 : 18,686,570.01 = 7,740,516.50 : x
  2. Step 2: Convert to fraction form
    13,544,848.70/18,686,570.01 = 7,740,516.50/x
  3. Step 3: Cross multiply
    13,544,848.70x = 18,686,570.01 × 7,740,516.50
  4. Step 4: Simplify right side
    13,544,848.70x = 144,643,703,490,810.19
  5. Step 5: Solve for x
    x = 144,643,703,490,810.19/13,544,848.70
  6. Step 6: Final answer
    x = 10,678,871.85

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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.