Home / 10,248,780.79-14,143,320.60-5,602,586.16

Finding the Fourth Proportional to 10,248,780.79, 14,143,320.60 and 5,602,586.16

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Solution

The fourth proportional to 10,248,780.79, 14,143,320.60 and 5,602,586.16 is: 7,731,570.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,248,780.79 : 14,143,320.60 = 5,602,586.16 : x
  2. Step 2: Convert to fraction form
    10,248,780.79/14,143,320.60 = 5,602,586.16/x
  3. Step 3: Cross multiply
    10,248,780.79x = 14,143,320.60 × 5,602,586.16
  4. Step 4: Simplify right side
    10,248,780.79x = 79,239,172,282,030.66
  5. Step 5: Solve for x
    x = 79,239,172,282,030.66/10,248,780.79
  6. Step 6: Final answer
    x = 7,731,570.60

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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.