Home / 14,242,865.64-19,655,127.99-7,716,657.30

Finding the Fourth Proportional to 14,242,865.64, 19,655,127.99 and 7,716,657.30

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Solution

The fourth proportional to 14,242,865.64, 19,655,127.99 and 7,716,657.30 is: 10,648,972.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242,865.64 : 19,655,127.99 = 7,716,657.30 : x
  2. Step 2: Convert to fraction form
    14,242,865.64/19,655,127.99 = 7,716,657.30/x
  3. Step 3: Cross multiply
    14,242,865.64x = 19,655,127.99 × 7,716,657.30
  4. Step 4: Simplify right side
    14,242,865.64x = 151,671,886,886,467.81
  5. Step 5: Solve for x
    x = 151,671,886,886,467.81/14,242,865.64
  6. Step 6: Final answer
    x = 10,648,972.67

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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.