Home / 13,678,313.68-18,875,515.08-7,877,314

Finding the Fourth Proportional to 13,678,313.68, 18,875,515.08 and 7,877,314

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Solution

The fourth proportional to 13,678,313.68, 18,875,515.08 and 7,877,314 is: 10,870,372.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,678,313.68 : 18,875,515.08 = 7,877,314 : x
  2. Step 2: Convert to fraction form
    13,678,313.68/18,875,515.08 = 7,877,314/x
  3. Step 3: Cross multiply
    13,678,313.68x = 18,875,515.08 × 7,877,314
  4. Step 4: Simplify right side
    13,678,313.68x = 148,688,359,196,895.09
  5. Step 5: Solve for x
    x = 148,688,359,196,895.09/13,678,313.68
  6. Step 6: Final answer
    x = 10,870,372.08

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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.