Finding the Fourth Proportional to 19,160,225.48, 26,437,164.06 and 11,009,888.84
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Solution
The fourth proportional to 19,160,225.48, 26,437,164.06 and 11,009,888.84 is: 15,191,378.50
Step by Step Solution
- Step 1: Write the proportion equation
19,160,225.48 : 26,437,164.06 = 11,009,888.84 : x - Step 2: Convert to fraction form
19,160,225.48/26,437,164.06 = 11,009,888.84/x - Step 3: Cross multiply
19,160,225.48x = 26,437,164.06 × 11,009,888.84 - Step 4: Simplify right side
19,160,225.48x = 291,070,237,371,970.19 - Step 5: Solve for x
x = 291,070,237,371,970.19/19,160,225.48 - Step 6: Final answer
x = 15,191,378.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.