Home / 14,078,598-19,428,465.24-7,640,070

Finding the Fourth Proportional to 14,078,598, 19,428,465.24 and 7,640,070

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Solution

The fourth proportional to 14,078,598, 19,428,465.24 and 7,640,070 is: 10,543,296.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,078,598 : 19,428,465.24 = 7,640,070 : x
  2. Step 2: Convert to fraction form
    14,078,598/19,428,465.24 = 7,640,070/x
  3. Step 3: Cross multiply
    14,078,598x = 19,428,465.24 × 7,640,070
  4. Step 4: Simplify right side
    14,078,598x = 148,434,834,426,166.78
  5. Step 5: Solve for x
    x = 148,434,834,426,166.78/14,078,598
  6. Step 6: Final answer
    x = 10,543,296.60

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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.