Home / 14,229,477.16-19,636,674.35-7,703,101.78

Finding the Fourth Proportional to 14,229,477.16, 19,636,674.35 and 7,703,101.78

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Solution

The fourth proportional to 14,229,477.16, 19,636,674.35 and 7,703,101.78 is: 10,630,278.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229,477.16 : 19,636,674.35 = 7,703,101.78 : x
  2. Step 2: Convert to fraction form
    14,229,477.16/19,636,674.35 = 7,703,101.78/x
  3. Step 3: Cross multiply
    14,229,477.16x = 19,636,674.35 × 7,703,101.78
  4. Step 4: Simplify right side
    14,229,477.16x = 151,263,301,051,158.12
  5. Step 5: Solve for x
    x = 151,263,301,051,158.12/14,229,477.16
  6. Step 6: Final answer
    x = 10,630,278.21

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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.