Finding the Fourth Proportional to 26,953,839.90, 40,403,203.65 and 13,285,964.70
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Solution
The fourth proportional to 26,953,839.90, 40,403,203.65 and 13,285,964.70 is: 19,915,364.17
Step by Step Solution
- Step 1: Write the proportion equation
26,953,839.90 : 40,403,203.65 = 13,285,964.70 : x - Step 2: Convert to fraction form
26,953,839.90/40,403,203.65 = 13,285,964.70/x - Step 3: Cross multiply
26,953,839.90x = 40,403,203.65 × 13,285,964.70 - Step 4: Simplify right side
26,953,839.90x = 536,795,537,460,811.12 - Step 5: Solve for x
x = 536,795,537,460,811.12/26,953,839.90 - Step 6: Final answer
x = 19,915,364.17
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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.