Home / 9,816,420.24-13,516,615.80-9,788,076.72

Finding the Fourth Proportional to 9,816,420.24, 13,516,615.80 and 9,788,076.72

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Solution

The fourth proportional to 9,816,420.24, 13,516,615.80 and 9,788,076.72 is: 13,477,588.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,816,420.24 : 13,516,615.80 = 9,788,076.72 : x
  2. Step 2: Convert to fraction form
    9,816,420.24/13,516,615.80 = 9,788,076.72/x
  3. Step 3: Cross multiply
    9,816,420.24x = 13,516,615.80 × 9,788,076.72
  4. Step 4: Simplify right side
    9,816,420.24x = 132,301,672,445,164.19
  5. Step 5: Solve for x
    x = 132,301,672,445,164.19/9,816,420.24
  6. Step 6: Final answer
    x = 13,477,588.49

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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.