Home / 13,850,752-19,113,681.36-7,739,230.72

Finding the Fourth Proportional to 13,850,752, 19,113,681.36 and 7,739,230.72

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Solution

The fourth proportional to 13,850,752, 19,113,681.36 and 7,739,230.72 is: 10,679,939.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850,752 : 19,113,681.36 = 7,739,230.72 : x
  2. Step 2: Convert to fraction form
    13,850,752/19,113,681.36 = 7,739,230.72/x
  3. Step 3: Cross multiply
    13,850,752x = 19,113,681.36 × 7,739,230.72
  4. Step 4: Simplify right side
    13,850,752x = 147,925,189,953,603.38
  5. Step 5: Solve for x
    x = 147,925,189,953,603.38/13,850,752
  6. Step 6: Final answer
    x = 10,679,939.25

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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.