Finding the Fourth Proportional to 26,953,990.90, 40,403,430.15 and 13,286,115.70
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Solution
The fourth proportional to 26,953,990.90, 40,403,430.15 and 13,286,115.70 is: 19,915,590.59
Step by Step Solution
- Step 1: Write the proportion equation
26,953,990.90 : 40,403,430.15 = 13,286,115.70 : x - Step 2: Convert to fraction form
26,953,990.90/40,403,430.15 = 13,286,115.70/x - Step 3: Cross multiply
26,953,990.90x = 40,403,430.15 × 13,286,115.70 - Step 4: Simplify right side
26,953,990.90x = 536,804,647,649,768.31 - Step 5: Solve for x
x = 536,804,647,649,768.31/26,953,990.90 - Step 6: Final answer
x = 19,915,590.59
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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.