Home / 13,574,031.03-18,732,284.73-7,379,089.74

Finding the Fourth Proportional to 13,574,031.03, 18,732,284.73 and 7,379,089.74

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Solution

The fourth proportional to 13,574,031.03, 18,732,284.73 and 7,379,089.74 is: 10,183,210.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,574,031.03 : 18,732,284.73 = 7,379,089.74 : x
  2. Step 2: Convert to fraction form
    13,574,031.03/18,732,284.73 = 7,379,089.74/x
  3. Step 3: Cross multiply
    13,574,031.03x = 18,732,284.73 × 7,379,089.74
  4. Step 4: Simplify right side
    13,574,031.03x = 138,227,210,057,901.67
  5. Step 5: Solve for x
    x = 138,227,210,057,901.67/13,574,031.03
  6. Step 6: Final answer
    x = 10,183,210.11

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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.