Home / 10,516,852.98-15,733,772.64-7,965,419.40

Finding the Fourth Proportional to 10,516,852.98, 15,733,772.64 and 7,965,419.40

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Solution

The fourth proportional to 10,516,852.98, 15,733,772.64 and 7,965,419.40 is: 11,916,692.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516,852.98 : 15,733,772.64 = 7,965,419.40 : x
  2. Step 2: Convert to fraction form
    10,516,852.98/15,733,772.64 = 7,965,419.40/x
  3. Step 3: Cross multiply
    10,516,852.98x = 15,733,772.64 × 7,965,419.40
  4. Step 4: Simplify right side
    10,516,852.98x = 125,326,097,821,845.23
  5. Step 5: Solve for x
    x = 125,326,097,821,845.23/10,516,852.98
  6. Step 6: Final answer
    x = 11,916,692.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.