Home / 13,365,862.50-18,442,783.32-7,785,027.45

Finding the Fourth Proportional to 13,365,862.50, 18,442,783.32 and 7,785,027.45

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Solution

The fourth proportional to 13,365,862.50, 18,442,783.32 and 7,785,027.45 is: 10,742,110.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365,862.50 : 18,442,783.32 = 7,785,027.45 : x
  2. Step 2: Convert to fraction form
    13,365,862.50/18,442,783.32 = 7,785,027.45/x
  3. Step 3: Cross multiply
    13,365,862.50x = 18,442,783.32 × 7,785,027.45
  4. Step 4: Simplify right side
    13,365,862.50x = 143,577,574,400,602.12
  5. Step 5: Solve for x
    x = 143,577,574,400,602.12/13,365,862.50
  6. Step 6: Final answer
    x = 10,742,110.69

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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.