Finding the Fourth Proportional to 19,695,627.60, 27,184,501.12 and 11,549,490
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Solution
The fourth proportional to 19,695,627.60, 27,184,501.12 and 11,549,490 is: 15,940,955.54
Step by Step Solution
- Step 1: Write the proportion equation
19,695,627.60 : 27,184,501.12 = 11,549,490 : x - Step 2: Convert to fraction form
19,695,627.60/27,184,501.12 = 11,549,490/x - Step 3: Cross multiply
19,695,627.60x = 27,184,501.12 × 11,549,490 - Step 4: Simplify right side
19,695,627.60x = 313,967,123,840,428.81 - Step 5: Solve for x
x = 313,967,123,840,428.81/19,695,627.60 - Step 6: Final answer
x = 15,940,955.54
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1.5x scale
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.