Home / 13,718,089.84-18,931,814.88-7,606,518.32

Finding the Fourth Proportional to 13,718,089.84, 18,931,814.88 and 7,606,518.32

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Solution

The fourth proportional to 13,718,089.84, 18,931,814.88 and 7,606,518.32 is: 10,497,467.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,718,089.84 : 18,931,814.88 = 7,606,518.32 : x
  2. Step 2: Convert to fraction form
    13,718,089.84/18,931,814.88 = 7,606,518.32/x
  3. Step 3: Cross multiply
    13,718,089.84x = 18,931,814.88 × 7,606,518.32
  4. Step 4: Simplify right side
    13,718,089.84x = 144,005,196,715,568.59
  5. Step 5: Solve for x
    x = 144,005,196,715,568.59/13,718,089.84
  6. Step 6: Final answer
    x = 10,497,467.10

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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.