Home / 13,298,709.60-19,948,064.40-4,779,907.20

Finding the Fourth Proportional to 13,298,709.60, 19,948,064.40 and 4,779,907.20

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Solution

The fourth proportional to 13,298,709.60, 19,948,064.40 and 4,779,907.20 is: 7,169,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298,709.60 : 19,948,064.40 = 4,779,907.20 : x
  2. Step 2: Convert to fraction form
    13,298,709.60/19,948,064.40 = 4,779,907.20/x
  3. Step 3: Cross multiply
    13,298,709.60x = 19,948,064.40 × 4,779,907.20
  4. Step 4: Simplify right side
    13,298,709.60x = 95,349,896,651,623.67
  5. Step 5: Solve for x
    x = 95,349,896,651,623.67/13,298,709.60
  6. Step 6: Final answer
    x = 7,169,860.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.