Home / 14,424,400.40-19,905,521.47-7,808,840.89

Finding the Fourth Proportional to 14,424,400.40, 19,905,521.47 and 7,808,840.89

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Solution

The fourth proportional to 14,424,400.40, 19,905,521.47 and 7,808,840.89 is: 10,776,118.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,424,400.40 : 19,905,521.47 = 7,808,840.89 : x
  2. Step 2: Convert to fraction form
    14,424,400.40/19,905,521.47 = 7,808,840.89/x
  3. Step 3: Cross multiply
    14,424,400.40x = 19,905,521.47 × 7,808,840.89
  4. Step 4: Simplify right side
    14,424,400.40x = 155,439,049,922,423
  5. Step 5: Solve for x
    x = 155,439,049,922,423/14,424,400.40
  6. Step 6: Final answer
    x = 10,776,118.64

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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.