Home / 19,006,402.86-28,507,075.04-5,360,645.12

Finding the Fourth Proportional to 19,006,402.86, 28,507,075.04 and 5,360,645.12

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Solution

The fourth proportional to 19,006,402.86, 28,507,075.04 and 5,360,645.12 is: 8,040,254.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,006,402.86 : 28,507,075.04 = 5,360,645.12 : x
  2. Step 2: Convert to fraction form
    19,006,402.86/28,507,075.04 = 5,360,645.12/x
  3. Step 3: Cross multiply
    19,006,402.86x = 28,507,075.04 × 5,360,645.12
  4. Step 4: Simplify right side
    19,006,402.86x = 152,816,312,698,649.81
  5. Step 5: Solve for x
    x = 152,816,312,698,649.81/19,006,402.86
  6. Step 6: Final answer
    x = 8,040,254.32

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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.