Home / 19,316,020.40-26,629,472.65-15,409,037.17

Finding the Fourth Proportional to 19,316,020.40, 26,629,472.65 and 15,409,037.17

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Solution

The fourth proportional to 19,316,020.40, 26,629,472.65 and 15,409,037.17 is: 21,243,223.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,316,020.40 : 26,629,472.65 = 15,409,037.17 : x
  2. Step 2: Convert to fraction form
    19,316,020.40/26,629,472.65 = 15,409,037.17/x
  3. Step 3: Cross multiply
    19,316,020.40x = 26,629,472.65 × 15,409,037.17
  4. Step 4: Simplify right side
    19,316,020.40x = 410,334,533,804,303.19
  5. Step 5: Solve for x
    x = 410,334,533,804,303.19/19,316,020.40
  6. Step 6: Final answer
    x = 21,243,223.26

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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.