Home / 14,235,054.69-19,644,385.95-7,708,691.28

Finding the Fourth Proportional to 14,235,054.69, 19,644,385.95 and 7,708,691.28

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Solution

The fourth proportional to 14,235,054.69, 19,644,385.95 and 7,708,691.28 is: 10,637,999.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,235,054.69 : 19,644,385.95 = 7,708,691.28 : x
  2. Step 2: Convert to fraction form
    14,235,054.69/19,644,385.95 = 7,708,691.28/x
  3. Step 3: Cross multiply
    14,235,054.69x = 19,644,385.95 × 7,708,691.28
  4. Step 4: Simplify right side
    14,235,054.69x = 151,432,506,673,719.50
  5. Step 5: Solve for x
    x = 151,432,506,673,719.50/14,235,054.69
  6. Step 6: Final answer
    x = 10,637,999.64

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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.