Finding the Fourth Proportional to 19,153,749.84, 28,713,802.68 and 7,803,744.72
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Solution
The fourth proportional to 19,153,749.84, 28,713,802.68 and 7,803,744.72 is: 11,698,763.32
Step by Step Solution
- Step 1: Write the proportion equation
19,153,749.84 : 28,713,802.68 = 7,803,744.72 : x - Step 2: Convert to fraction form
19,153,749.84/28,713,802.68 = 7,803,744.72/x - Step 3: Cross multiply
19,153,749.84x = 28,713,802.68 × 7,803,744.72 - Step 4: Simplify right side
19,153,749.84x = 224,075,186,055,171.84 - Step 5: Solve for x
x = 224,075,186,055,171.84/19,153,749.84 - Step 6: Final answer
x = 11,698,763.32
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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.