Home / 14,242,790.72-19,655,070.64-7,716,420.35

Finding the Fourth Proportional to 14,242,790.72, 19,655,070.64 and 7,716,420.35

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Solution

The fourth proportional to 14,242,790.72, 19,655,070.64 and 7,716,420.35 is: 10,648,670.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242,790.72 : 19,655,070.64 = 7,716,420.35 : x
  2. Step 2: Convert to fraction form
    14,242,790.72/19,655,070.64 = 7,716,420.35/x
  3. Step 3: Cross multiply
    14,242,790.72x = 19,655,070.64 × 7,716,420.35
  4. Step 4: Simplify right side
    14,242,790.72x = 151,666,787,066,728.50
  5. Step 5: Solve for x
    x = 151,666,787,066,728.50/14,242,790.72
  6. Step 6: Final answer
    x = 10,648,670.62

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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.