Home / 9,894,420.59-13,655,118.47-5,485,529.74

Finding the Fourth Proportional to 9,894,420.59, 13,655,118.47 and 5,485,529.74

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Solution

The fourth proportional to 9,894,420.59, 13,655,118.47 and 5,485,529.74 is: 7,570,484.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,894,420.59 : 13,655,118.47 = 5,485,529.74 : x
  2. Step 2: Convert to fraction form
    9,894,420.59/13,655,118.47 = 5,485,529.74/x
  3. Step 3: Cross multiply
    9,894,420.59x = 13,655,118.47 × 5,485,529.74
  4. Step 4: Simplify right side
    9,894,420.59x = 74,905,558,442,980.66
  5. Step 5: Solve for x
    x = 74,905,558,442,980.66/9,894,420.59
  6. Step 6: Final answer
    x = 7,570,484.57

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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.