Finding the Fourth Proportional to 26,299,281.60, 39,420,928.80 and 10,118,980.80
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Solution
The fourth proportional to 26,299,281.60, 39,420,928.80 and 10,118,980.80 is: 15,167,700.31
Step by Step Solution
- Step 1: Write the proportion equation
26,299,281.60 : 39,420,928.80 = 10,118,980.80 : x - Step 2: Convert to fraction form
26,299,281.60/39,420,928.80 = 10,118,980.80/x - Step 3: Cross multiply
26,299,281.60x = 39,420,928.80 × 10,118,980.80 - Step 4: Simplify right side
26,299,281.60x = 398,899,621,645,367.06 - Step 5: Solve for x
x = 398,899,621,645,367.06/26,299,281.60 - Step 6: Final answer
x = 15,167,700.31
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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.