Home / 14,254,814.08-19,671,581.44-7,728,423.36

Finding the Fourth Proportional to 14,254,814.08, 19,671,581.44 and 7,728,423.36

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Solution

The fourth proportional to 14,254,814.08, 19,671,581.44 and 7,728,423.36 is: 10,665,190.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,254,814.08 : 19,671,581.44 = 7,728,423.36 : x
  2. Step 2: Convert to fraction form
    14,254,814.08/19,671,581.44 = 7,728,423.36/x
  3. Step 3: Cross multiply
    14,254,814.08x = 19,671,581.44 × 7,728,423.36
  4. Step 4: Simplify right side
    14,254,814.08x = 152,030,309,529,038.47
  5. Step 5: Solve for x
    x = 152,030,309,529,038.47/14,254,814.08
  6. Step 6: Final answer
    x = 10,665,190.63

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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.