Home / 10,402,709.20-15,583,068.60-5,909,736.40

Finding the Fourth Proportional to 10,402,709.20, 15,583,068.60 and 5,909,736.40

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Solution

The fourth proportional to 10,402,709.20, 15,583,068.60 and 5,909,736.40 is: 8,852,677.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,402,709.20 : 15,583,068.60 = 5,909,736.40 : x
  2. Step 2: Convert to fraction form
    10,402,709.20/15,583,068.60 = 5,909,736.40/x
  3. Step 3: Cross multiply
    10,402,709.20x = 15,583,068.60 × 5,909,736.40
  4. Step 4: Simplify right side
    10,402,709.20x = 92,091,827,729,117.05
  5. Step 5: Solve for x
    x = 92,091,827,729,117.05/10,402,709.20
  6. Step 6: Final answer
    x = 8,852,677.31

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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.