Home / 19,208,776.95-28,814,681.75-6,429,329.19

Finding the Fourth Proportional to 19,208,776.95, 28,814,681.75 and 6,429,329.19

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Solution

The fourth proportional to 19,208,776.95, 28,814,681.75 and 6,429,329.19 is: 9,644,501.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,208,776.95 : 28,814,681.75 = 6,429,329.19 : x
  2. Step 2: Convert to fraction form
    19,208,776.95/28,814,681.75 = 6,429,329.19/x
  3. Step 3: Cross multiply
    19,208,776.95x = 28,814,681.75 × 6,429,329.19
  4. Step 4: Simplify right side
    19,208,776.95x = 185,259,074,443,688.66
  5. Step 5: Solve for x
    x = 185,259,074,443,688.66/19,208,776.95
  6. Step 6: Final answer
    x = 9,644,501.31

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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.