Finding the Fourth Proportional to 13,710,837.84, 20,569,140.36 and 5,190,985.68
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Solution
The fourth proportional to 13,710,837.84, 20,569,140.36 and 5,190,985.68 is: 7,787,570.26
Step by Step Solution
- Step 1: Write the proportion equation
13,710,837.84 : 20,569,140.36 = 5,190,985.68 : x - Step 2: Convert to fraction form
13,710,837.84/20,569,140.36 = 5,190,985.68/x - Step 3: Cross multiply
13,710,837.84x = 20,569,140.36 × 5,190,985.68 - Step 4: Simplify right side
13,710,837.84x = 106,774,113,058,670.03 - Step 5: Solve for x
x = 106,774,113,058,670.03/13,710,837.84 - Step 6: Final answer
x = 7,787,570.26
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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.