Home / 10,153,100.39-14,011,386.89-5,506,891.79

Finding the Fourth Proportional to 10,153,100.39, 14,011,386.89 and 5,506,891.79

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Solution

The fourth proportional to 10,153,100.39, 14,011,386.89 and 5,506,891.79 is: 7,599,569.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,153,100.39 : 14,011,386.89 = 5,506,891.79 : x
  2. Step 2: Convert to fraction form
    10,153,100.39/14,011,386.89 = 5,506,891.79/x
  3. Step 3: Cross multiply
    10,153,100.39x = 14,011,386.89 × 5,506,891.79
  4. Step 4: Simplify right side
    10,153,100.39x = 77,159,191,333,463.23
  5. Step 5: Solve for x
    x = 77,159,191,333,463.23/10,153,100.39
  6. Step 6: Final answer
    x = 7,599,569.43

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1.5x scale

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.