Home / 12,768,075.60-19,152,113.40-4,249,273.20

Finding the Fourth Proportional to 12,768,075.60, 19,152,113.40 and 4,249,273.20

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Solution

The fourth proportional to 12,768,075.60, 19,152,113.40 and 4,249,273.20 is: 6,373,909.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,768,075.60 : 19,152,113.40 = 4,249,273.20 : x
  2. Step 2: Convert to fraction form
    12,768,075.60/19,152,113.40 = 4,249,273.20/x
  3. Step 3: Cross multiply
    12,768,075.60x = 19,152,113.40 × 4,249,273.20
  4. Step 4: Simplify right side
    12,768,075.60x = 81,382,562,193,980.88
  5. Step 5: Solve for x
    x = 81,382,562,193,980.88/12,768,075.60
  6. Step 6: Final answer
    x = 6,373,909.80

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1.5x scale

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.