Home / 14,434,681.48-19,919,875.80-7,819,285.33

Finding the Fourth Proportional to 14,434,681.48, 19,919,875.80 and 7,819,285.33

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Solution

The fourth proportional to 14,434,681.48, 19,919,875.80 and 7,819,285.33 is: 10,790,622.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,434,681.48 : 19,919,875.80 = 7,819,285.33 : x
  2. Step 2: Convert to fraction form
    14,434,681.48/19,919,875.80 = 7,819,285.33/x
  3. Step 3: Cross multiply
    14,434,681.48x = 19,919,875.80 × 7,819,285.33
  4. Step 4: Simplify right side
    14,434,681.48x = 155,759,192,618,362.03
  5. Step 5: Solve for x
    x = 155,759,192,618,362.03/14,434,681.48
  6. Step 6: Final answer
    x = 10,790,622.07

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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.