Home / 14,267,128.32-21,408,030.72-9,478,126.08

Finding the Fourth Proportional to 14,267,128.32, 21,408,030.72 and 9,478,126.08

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Solution

The fourth proportional to 14,267,128.32, 21,408,030.72 and 9,478,126.08 is: 14,222,064.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,267,128.32 : 21,408,030.72 = 9,478,126.08 : x
  2. Step 2: Convert to fraction form
    14,267,128.32/21,408,030.72 = 9,478,126.08/x
  3. Step 3: Cross multiply
    14,267,128.32x = 21,408,030.72 × 9,478,126.08
  4. Step 4: Simplify right side
    14,267,128.32x = 202,908,014,288,673.16
  5. Step 5: Solve for x
    x = 202,908,014,288,673.16/14,267,128.32
  6. Step 6: Final answer
    x = 14,222,064.16

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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.