Home / 13,988,718-19,303,683.06-7,709,041.29

Finding the Fourth Proportional to 13,988,718, 19,303,683.06 and 7,709,041.29

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Solution

The fourth proportional to 13,988,718, 19,303,683.06 and 7,709,041.29 is: 10,638,064.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,988,718 : 19,303,683.06 = 7,709,041.29 : x
  2. Step 2: Convert to fraction form
    13,988,718/19,303,683.06 = 7,709,041.29/x
  3. Step 3: Cross multiply
    13,988,718x = 19,303,683.06 × 7,709,041.29
  4. Step 4: Simplify right side
    13,988,718x = 148,812,889,758,613.53
  5. Step 5: Solve for x
    x = 148,812,889,758,613.53/13,988,718
  6. Step 6: Final answer
    x = 10,638,064.89

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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.