Home / 13,801,421.16-19,046,039.28-8,003,645.28

Finding the Fourth Proportional to 13,801,421.16, 19,046,039.28 and 8,003,645.28

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Solution

The fourth proportional to 13,801,421.16, 19,046,039.28 and 8,003,645.28 is: 11,045,075.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801,421.16 : 19,046,039.28 = 8,003,645.28 : x
  2. Step 2: Convert to fraction form
    13,801,421.16/19,046,039.28 = 8,003,645.28/x
  3. Step 3: Cross multiply
    13,801,421.16x = 19,046,039.28 × 8,003,645.28
  4. Step 4: Simplify right side
    13,801,421.16x = 152,437,742,386,066.62
  5. Step 5: Solve for x
    x = 152,437,742,386,066.62/13,801,421.16
  6. Step 6: Final answer
    x = 11,045,075.77

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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.