Home / 12,931,362.98-17,849,605.19-7,706,009.71

Finding the Fourth Proportional to 12,931,362.98, 17,849,605.19 and 7,706,009.71

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Solution

The fourth proportional to 12,931,362.98, 17,849,605.19 and 7,706,009.71 is: 10,636,870.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,931,362.98 : 17,849,605.19 = 7,706,009.71 : x
  2. Step 2: Convert to fraction form
    12,931,362.98/17,849,605.19 = 7,706,009.71/x
  3. Step 3: Cross multiply
    12,931,362.98x = 17,849,605.19 × 7,706,009.71
  4. Step 4: Simplify right side
    12,931,362.98x = 137,549,230,984,095.30
  5. Step 5: Solve for x
    x = 137,549,230,984,095.30/12,931,362.98
  6. Step 6: Final answer
    x = 10,636,870.31

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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.