Home / 14,298,031.71-19,731,415.86-7,771,676.52

Finding the Fourth Proportional to 14,298,031.71, 19,731,415.86 and 7,771,676.52

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Solution

The fourth proportional to 14,298,031.71, 19,731,415.86 and 7,771,676.52 is: 10,724,985.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,298,031.71 : 19,731,415.86 = 7,771,676.52 : x
  2. Step 2: Convert to fraction form
    14,298,031.71/19,731,415.86 = 7,771,676.52/x
  3. Step 3: Cross multiply
    14,298,031.71x = 19,731,415.86 × 7,771,676.52
  4. Step 4: Simplify right side
    14,298,031.71x = 153,346,181,345,517.59
  5. Step 5: Solve for x
    x = 153,346,181,345,517.59/14,298,031.71
  6. Step 6: Final answer
    x = 10,724,985.40

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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.